diff --git a/package-lock.json b/package-lock.json
index 32c3ce63..18a623a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
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@@ -8395,9 +8395,9 @@
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+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.43.0.tgz",
+      "integrity": "sha512-wdN2Kd3Twh8MAEOEJZsuxuLKCsBEo4PVNLK6tQWAn10VhsVewQLzcucMgLolRlhFybGxfclbPeEYBaP6RvUFGg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -26110,33 +26110,33 @@
         "npm": ">=8.0.0"
       },
       "optionalDependencies": {
-        "@rollup/rollup-android-arm-eabi": "4.42.0",
-        "@rollup/rollup-android-arm64": "4.42.0",
-        "@rollup/rollup-darwin-arm64": "4.42.0",
-        "@rollup/rollup-darwin-x64": "4.42.0",
-        "@rollup/rollup-freebsd-arm64": "4.42.0",
-        "@rollup/rollup-freebsd-x64": "4.42.0",
-        "@rollup/rollup-linux-arm-gnueabihf": "4.42.0",
-        "@rollup/rollup-linux-arm-musleabihf": "4.42.0",
-        "@rollup/rollup-linux-arm64-gnu": "4.42.0",
-        "@rollup/rollup-linux-arm64-musl": "4.42.0",
-        "@rollup/rollup-linux-loongarch64-gnu": "4.42.0",
-        "@rollup/rollup-linux-powerpc64le-gnu": "4.42.0",
-        "@rollup/rollup-linux-riscv64-gnu": "4.42.0",
-        "@rollup/rollup-linux-riscv64-musl": "4.42.0",
-        "@rollup/rollup-linux-s390x-gnu": "4.42.0",
-        "@rollup/rollup-linux-x64-gnu": "4.42.0",
-        "@rollup/rollup-linux-x64-musl": "4.42.0",
-        "@rollup/rollup-win32-arm64-msvc": "4.42.0",
-        "@rollup/rollup-win32-ia32-msvc": "4.42.0",
-        "@rollup/rollup-win32-x64-msvc": "4.42.0",
+        "@rollup/rollup-android-arm-eabi": "4.43.0",
+        "@rollup/rollup-android-arm64": "4.43.0",
+        "@rollup/rollup-darwin-arm64": "4.43.0",
+        "@rollup/rollup-darwin-x64": "4.43.0",
+        "@rollup/rollup-freebsd-arm64": "4.43.0",
+        "@rollup/rollup-freebsd-x64": "4.43.0",
+        "@rollup/rollup-linux-arm-gnueabihf": "4.43.0",
+        "@rollup/rollup-linux-arm-musleabihf": "4.43.0",
+        "@rollup/rollup-linux-arm64-gnu": "4.43.0",
+        "@rollup/rollup-linux-arm64-musl": "4.43.0",
+        "@rollup/rollup-linux-loongarch64-gnu": "4.43.0",
+        "@rollup/rollup-linux-powerpc64le-gnu": "4.43.0",
+        "@rollup/rollup-linux-riscv64-gnu": "4.43.0",
+        "@rollup/rollup-linux-riscv64-musl": "4.43.0",
+        "@rollup/rollup-linux-s390x-gnu": "4.43.0",
+        "@rollup/rollup-linux-x64-gnu": "4.43.0",
+        "@rollup/rollup-linux-x64-musl": "4.43.0",
+        "@rollup/rollup-win32-arm64-msvc": "4.43.0",
+        "@rollup/rollup-win32-ia32-msvc": "4.43.0",
+        "@rollup/rollup-win32-x64-msvc": "4.43.0",
         "fsevents": "~2.3.2"
       }
     },
     "node_modules/rollup/node_modules/@rollup/rollup-darwin-arm64": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.42.0.tgz",
-      "integrity": "sha512-JxHtA081izPBVCHLKnl6GEA0w3920mlJPLh89NojpU2GsBSB6ypu4erFg/Wx1qbpUbepn0jY4dVWMGZM8gplgA==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.43.0.tgz",
+      "integrity": "sha512-eKoL8ykZ7zz8MjgBenEF2OoTNFAPFz1/lyJ5UmmFSz5jW+7XbH1+MAgCVHy72aG59rbuQLcJeiMrP8qP5d/N0A==",
       "cpu": [
         "arm64"
       ],
@@ -26148,9 +26148,9 @@
       ]
     },
     "node_modules/rollup/node_modules/@rollup/rollup-darwin-x64": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.42.0.tgz",
-      "integrity": "sha512-rv5UZaWVIJTDMyQ3dCEK+m0SAn6G7H3PRc2AZmExvbDvtaDc+qXkei0knQWcI3+c9tEs7iL/4I4pTQoPbNL2SA==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.43.0.tgz",
+      "integrity": "sha512-SYwXJgaBYW33Wi/q4ubN+ldWC4DzQY62S4Ll2dgfr/dbPoF50dlQwEaEHSKrQdSjC6oIe1WgzosoaNoHCdNuMg==",
       "cpu": [
         "x64"
       ],
@@ -26162,9 +26162,9 @@
       ]
     },
     "node_modules/rollup/node_modules/@rollup/rollup-linux-arm64-gnu": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.42.0.tgz",
-      "integrity": "sha512-eoujJFOvoIBjZEi9hJnXAbWg+Vo1Ov8n/0IKZZcPZ7JhBzxh2A+2NFyeMZIRkY9iwBvSjloKgcvnjTbGKHE44Q==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.43.0.tgz",
+      "integrity": "sha512-8FnkipasmOOSSlfucGYEu58U8cxEdhziKjPD2FIa0ONVMxvl/hmONtX/7y4vGjdUhjcTHlKlDhw3H9t98fPvyA==",
       "cpu": [
         "arm64"
       ],
@@ -26176,9 +26176,9 @@
       ]
     },
     "node_modules/rollup/node_modules/@rollup/rollup-linux-arm64-musl": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.42.0.tgz",
-      "integrity": "sha512-/3NrcOWFSR7RQUQIuZQChLND36aTU9IYE4j+TB40VU78S+RA0IiqHR30oSh6P1S9f9/wVOenHQnacs/Byb824g==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.43.0.tgz",
+      "integrity": "sha512-KPPyAdlcIZ6S9C3S2cndXDkV0Bb1OSMsX0Eelr2Bay4EsF9yi9u9uzc9RniK3mcUGCLhWY9oLr6er80P5DE6XA==",
       "cpu": [
         "arm64"
       ],
@@ -26190,9 +26190,9 @@
       ]
     },
     "node_modules/rollup/node_modules/@rollup/rollup-linux-x64-gnu": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-gnu/-/rollup-linux-x64-gnu-4.42.0.tgz",
-      "integrity": "sha512-Gfm6cV6mj3hCUY8TqWa63DB8Mx3NADoFwiJrMpoZ1uESbK8FQV3LXkhfry+8bOniq9pqY1OdsjFWNsSbfjPugw==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-gnu/-/rollup-linux-x64-gnu-4.43.0.tgz",
+      "integrity": "sha512-jAHr/S0iiBtFyzjhOkAics/2SrXE092qyqEg96e90L3t9Op8OTzS6+IX0Fy5wCt2+KqeHAkti+eitV0wvblEoQ==",
       "cpu": [
         "x64"
       ],
@@ -26204,9 +26204,9 @@
       ]
     },
     "node_modules/rollup/node_modules/@rollup/rollup-linux-x64-musl": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.42.0.tgz",
-      "integrity": "sha512-g86PF8YZ9GRqkdi0VoGlcDUb4rYtQKyTD1IVtxxN4Hpe7YqLBShA7oHMKU6oKTCi3uxwW4VkIGnOaH/El8de3w==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.43.0.tgz",
+      "integrity": "sha512-3yATWgdeXyuHtBhrLt98w+5fKurdqvs8B53LaoKD7P7H7FKOONLsBVMNl9ghPQZQuYcceV5CDyPfyfGpMWD9mQ==",
       "cpu": [
         "x64"
       ],
@@ -26218,9 +26218,9 @@
       ]
     },
     "node_modules/rollup/node_modules/@rollup/rollup-win32-arm64-msvc": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-arm64-msvc/-/rollup-win32-arm64-msvc-4.42.0.tgz",
-      "integrity": "sha512-+axkdyDGSp6hjyzQ5m1pgcvQScfHnMCcsXkx8pTgy/6qBmWVhtRVlgxjWwDp67wEXXUr0x+vD6tp5W4x6V7u1A==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-arm64-msvc/-/rollup-win32-arm64-msvc-4.43.0.tgz",
+      "integrity": "sha512-wVzXp2qDSCOpcBCT5WRWLmpJRIzv23valvcTwMHEobkjippNf+C3ys/+wf07poPkeNix0paTNemB2XrHr2TnGw==",
       "cpu": [
         "arm64"
       ],
@@ -26232,9 +26232,9 @@
       ]
     },
     "node_modules/rollup/node_modules/@rollup/rollup-win32-x64-msvc": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-msvc/-/rollup-win32-x64-msvc-4.42.0.tgz",
-      "integrity": "sha512-LpHiJRwkaVz/LqjHjK8LCi8osq7elmpwujwbXKNW88bM8eeGxavJIKKjkjpMHAh/2xfnrt1ZSnhTv41WYUHYmA==",
+      "version": "4.43.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-msvc/-/rollup-win32-x64-msvc-4.43.0.tgz",
+      "integrity": "sha512-SnGhLiE5rlK0ofq8kzuDkM0g7FN1s5VYY+YSMTibP7CqShxCQvqtNxTARS4xX4PFJfHjG0ZQYX9iGzI3FQh5Aw==",
       "cpu": [
         "x64"
       ],
@@ -26424,9 +26424,9 @@
       "license": "MIT"
     },
     "node_modules/sdp": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/sdp/-/sdp-3.2.0.tgz",
-      "integrity": "sha512-d7wDPgDV3DDiqulJjKiV2865wKsJ34YI+NDREbm+FySq6WuKOikwyNQcm+doLAZ1O6ltdO0SeKle2xMpN3Brgw==",
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/sdp/-/sdp-3.2.1.tgz",
+      "integrity": "sha512-lwsAIzOPlH8/7IIjjz3K0zYBk7aBVVcvjMwt3M4fLxpjMYyy7i3I97SLHebgn4YBjirkzfp3RvRDWSKsh/+WFw==",
       "license": "MIT"
     },
     "node_modules/secp256k1": {
@@ -28495,9 +28495,9 @@
       }
     },
     "node_modules/test-exclude/node_modules/brace-expansion": {
-      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "version": "1.1.12",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
+      "integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
       "license": "MIT",
       "optional": true,
       "peer": true,
@@ -31045,9 +31045,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.58",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.58.tgz",
-      "integrity": "sha512-DVLmMQzSZwNYzQoMaM3MQWnxr2eq+AtM9Hx3w1/Yl0pH8sLTSjN4jGP7w6f7uand6Hw44tsnSu1hz1AOA6qI2Q==",
+      "version": "3.25.61",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.61.tgz",
+      "integrity": "sha512-fzfJgUw78LTNnHujj9re1Ov/JJQkRZZGDMcYqSx7Hp4rPOkKywaFHq0S6GoHeXs0wGNE/sIOutkXgnwzrVOGCQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/src/components/DataExportSection.vue b/src/components/DataExportSection.vue
index 858742d8..5ec3a43e 100644
--- a/src/components/DataExportSection.vue
+++ b/src/components/DataExportSection.vue
@@ -162,13 +162,13 @@ export default class DataExportSection extends Vue {
         downloadAnchor.click();
         setTimeout(() => URL.revokeObjectURL(this.downloadUrl), 1000);
       } else if (this.platformCapabilities.hasFileSystem) {
-        // Native platform: Write to app directory with enhanced options
+        // Native platform: Write to user-accessible location and share
         const result = await this.platformService.writeAndShareFile(
           fileName, 
           jsonStr,
           {
             allowLocationSelection: true,
-            saveToDownloads: false,
+            showLocationSelectionDialog: true,
             mimeType: "application/json"
           }
         );
@@ -188,9 +188,9 @@ export default class DataExportSection extends Vue {
           title: "Export Successful",
           text: this.platformCapabilities.hasFileDownload
             ? "See your downloads directory for the backup."
-            : "The backup file has been saved.",
+            : "Backup saved to multiple locations. Use the share dialog to access your file and choose where to save it permanently.",
         },
-        3000,
+        5000,
       );
     } catch (error) {
       logger.error("Export Error:", error);
diff --git a/src/libs/capacitor/app.ts b/src/libs/capacitor/app.ts
index 038fe679..3ba64b00 100644
--- a/src/libs/capacitor/app.ts
+++ b/src/libs/capacitor/app.ts
@@ -12,6 +12,14 @@ import type { PluginListenerHandle } from "@capacitor/core";
  * Supports 'backButton' and 'appUrlOpen' events from Capacitor
  */
 interface AppInterface {
+  /**
+   * Force exit the app. This should only be used in conjunction with the `backButton` handler for Android to
+   * exit the app when navigation is complete.
+   * 
+   * @returns Promise that resolves when the app has been exited
+   */
+  exitApp(): Promise<void>;
+
   /**
    * Add listener for back button events
    * @param eventName - Must be 'backButton'
@@ -38,8 +46,19 @@ interface AppInterface {
 /**
  * App wrapper for Capacitor functionality
  * Provides type-safe event listeners for back button and URL open events
+ * and app exit functionality
  */
 export const App: AppInterface = {
+  /**
+   * Force exit the app. This should only be used in conjunction with the `backButton` handler for Android to
+   * exit the app when navigation is complete.
+   * 
+   * @returns Promise that resolves when the app has been exited
+   */
+  exitApp(): Promise<void> {
+    return CapacitorApp.exitApp();
+  },
+
   addListener(
     eventName: "backButton" | "appUrlOpen",
     listenerFunc: BackButtonListener | ((data: AppLaunchUrl) => void),
diff --git a/src/services/PlatformService.ts b/src/services/PlatformService.ts
index 52e22b80..e91f9711 100644
--- a/src/services/PlatformService.ts
+++ b/src/services/PlatformService.ts
@@ -74,7 +74,10 @@ export interface PlatformService {
     options?: {
       allowLocationSelection?: boolean;
       saveToDownloads?: boolean;
+      saveToPrivateStorage?: boolean;
       mimeType?: string;
+      showShareDialog?: boolean;
+      showLocationSelectionDialog?: boolean;
     }
   ): Promise<{ saved: boolean; uri?: string; shared: boolean; error?: string }>;
 
@@ -92,6 +95,36 @@ export interface PlatformService {
    */
   listFiles(directory: string): Promise<string[]>;
 
+  /**
+   * Tests the file sharing functionality by creating and sharing a test file.
+   * @returns Promise resolving to a test result message
+   */
+  testFileSharing(): Promise<string>;
+
+  /**
+   * Tests saving a file without showing the share dialog.
+   * @returns Promise resolving to a test result message
+   */
+  testFileSaveOnly(): Promise<string>;
+
+  /**
+   * Tests the location selection functionality using the file picker.
+   * @returns Promise resolving to a test result message
+   */
+  testLocationSelection(): Promise<string>;
+
+  /**
+   * Tests location selection without showing the dialog (restores original behavior).
+   * @returns Promise resolving to a test result message
+   */
+  testLocationSelectionSilent(): Promise<string>;
+
+  /**
+   * Tests listing user-accessible files saved by the app.
+   * @returns Promise resolving to a test result message
+   */
+  testListUserFiles(): Promise<string>;
+
   // Camera operations
   /**
    * Activates the device camera to take a picture.
diff --git a/src/services/platforms/CapacitorPlatformService.ts b/src/services/platforms/CapacitorPlatformService.ts
index 55e2e62b..2bcdb6bc 100644
--- a/src/services/platforms/CapacitorPlatformService.ts
+++ b/src/services/platforms/CapacitorPlatformService.ts
@@ -6,6 +6,7 @@ import {
   CameraDirection,
 } from "@capacitor/camera";
 import { Share } from "@capacitor/share";
+import { FilePicker } from "@capawesome/capacitor-file-picker";
 import {
   SQLiteConnection,
   SQLiteDBConnection,
@@ -271,22 +272,24 @@ export class CapacitorPlatformService implements PlatformService {
       );
 
       if (this.getCapabilities().isIOS) {
-        // iOS uses different permission model
+        // iOS uses different permission model - Documents directory is accessible
+        logger.log("iOS platform - Documents directory is accessible by default");
         return;
       }
 
-      // Try to access a test directory to check permissions
+      // For Android, try to access external storage to check permissions
       try {
-        await Filesystem.stat({
-          path: "/storage/emulated/0/Download",
-          directory: Directory.Documents,
+        // Try to list files in external storage to check permissions
+        await Filesystem.readdir({
+          path: ".",
+          directory: Directory.External,
         });
         logger.log(
-          "Storage permissions already granted",
+          "External storage permissions already granted",
           JSON.stringify({ timestamp: new Date().toISOString() }, null, 2),
         );
         return;
-      } catch (error: unknown) {
+      } catch (error) {
         const err = error as Error;
         const errorLogData = {
           error: {
@@ -297,19 +300,11 @@ export class CapacitorPlatformService implements PlatformService {
           timestamp: new Date().toISOString(),
         };
 
-        // "File does not exist" is expected and not a permission error
-        if (err.message === "File does not exist") {
-          logger.log(
-            "Directory does not exist (expected), proceeding with write",
-            JSON.stringify(errorLogData, null, 2),
-          );
-          return;
-        }
-
         // Check for actual permission errors
         if (
           err.message.includes("permission") ||
-          err.message.includes("access")
+          err.message.includes("access") ||
+          err.message.includes("denied")
         ) {
           logger.log(
             "Permission check failed, requesting permissions",
@@ -319,45 +314,33 @@ export class CapacitorPlatformService implements PlatformService {
           // The Filesystem plugin will automatically request permissions when needed
           // We just need to try the operation again
           try {
-            await Filesystem.stat({
-              path: "/storage/emulated/0/Download",
-              directory: Directory.Documents,
+            await Filesystem.readdir({
+              path: ".",
+              directory: Directory.External,
             });
             logger.log(
-              "Storage permissions granted after request",
+              "External storage permissions granted after request",
               JSON.stringify({ timestamp: new Date().toISOString() }, null, 2),
             );
             return;
           } catch (retryError: unknown) {
             const retryErr = retryError as Error;
             throw new Error(
-              `Failed to obtain storage permissions: ${retryErr.message}`,
+              `Failed to obtain external storage permissions: ${retryErr.message}`,
             );
           }
         }
 
         // For any other error, log it but don't treat as permission error
         logger.log(
-          "Unexpected error during permission check",
+          "Unexpected error during permission check, proceeding anyway",
           JSON.stringify(errorLogData, null, 2),
         );
         return;
       }
-    } catch (error: unknown) {
-      const err = error as Error;
-      const errorLogData = {
-        error: {
-          message: err.message,
-          name: err.name,
-          stack: err.stack,
-        },
-        timestamp: new Date().toISOString(),
-      };
-      logger.error(
-        "Error checking/requesting permissions",
-        JSON.stringify(errorLogData, null, 2),
-      );
-      throw new Error(`Failed to obtain storage permissions: ${err.message}`);
+    } catch (error) {
+      logger.error("Error in checkStoragePermissions:", error);
+      throw error;
     }
   }
 
@@ -382,8 +365,8 @@ export class CapacitorPlatformService implements PlatformService {
    * Enhanced file save and share functionality with location selection.
    * 
    * Provides multiple options for saving files:
-   * 1. Save to app-private storage and share (current behavior)
-   * 2. Save to device Downloads folder (Android) or Documents (iOS)
+   * 1. Save to user-accessible storage (Downloads/Documents) and share (default behavior)
+   * 2. Save to app-private storage and share (for sensitive data)
    * 3. Allow user to choose save location via file picker
    * 4. Direct share without saving locally
    * 
@@ -398,7 +381,10 @@ export class CapacitorPlatformService implements PlatformService {
     options: {
       allowLocationSelection?: boolean;
       saveToDownloads?: boolean;
+      saveToPrivateStorage?: boolean;
       mimeType?: string;
+      showShareDialog?: boolean;
+      showLocationSelectionDialog?: boolean;
     } = {}
   ): Promise<{ saved: boolean; uri?: string; shared: boolean; error?: string }> {
     const timestamp = new Date().toISOString();
@@ -420,15 +406,11 @@ export class CapacitorPlatformService implements PlatformService {
 
       // Determine save strategy based on options and platform
       if (options.allowLocationSelection) {
-        // Use file picker to let user choose location
-        fileUri = await this.saveFileWithPicker(fileName, content, options.mimeType);
+        // Use enhanced location selection with multiple save options
+        fileUri = await this.saveWithLocationOptions(fileName, content, options.mimeType, options.showLocationSelectionDialog);
         saved = true;
-      } else if (options.saveToDownloads) {
-        // Save directly to Downloads folder
-        fileUri = await this.saveToDownloads(fileName, content);
-        saved = true;
-      } else {
-        // Fallback to app-private storage (current behavior)
+      } else if (options.saveToPrivateStorage) {
+        // Save to app-private storage (for sensitive data)
         const result = await Filesystem.writeFile({
           path: fileName,
           data: content,
@@ -438,6 +420,10 @@ export class CapacitorPlatformService implements PlatformService {
         });
         fileUri = result.uri;
         saved = true;
+      } else {
+        // Default: Save to user-accessible location (Downloads/Documents)
+        fileUri = await this.saveToDownloads(fileName, content);
+        saved = true;
       }
 
       logger.log("[CapacitorPlatformService] File write successful:", {
@@ -446,20 +432,53 @@ export class CapacitorPlatformService implements PlatformService {
         timestamp: new Date().toISOString(),
       });
 
-      // Share the file
+      // Share the file (unless explicitly disabled)
       let shared = false;
-      try {
-        await Share.share({
-          title: "TimeSafari Backup",
-          text: "Here is your backup file.",
-          url: fileUri,
-          dialogTitle: "Share your backup file",
-        });
+      if (options.showShareDialog !== false && !options.allowLocationSelection) {
+        try {
+          logger.log("[CapacitorPlatformService] Starting share operation:", {
+            uri: fileUri,
+            timestamp: new Date().toISOString(),
+          });
+
+          // Share the file with improved timeout handling
+          const shareResult = await this.handleShareDialog({
+            title: "TimeSafari Backup",
+            text: "Here is your backup file.",
+            url: fileUri,
+            dialogTitle: "Share your backup file",
+          });
+          
+          shared = true;
+          logger.log("[CapacitorPlatformService] Share dialog completed successfully:", {
+            activityType: shareResult?.activityType,
+            timestamp: new Date().toISOString(),
+          });
+          
+        } catch (shareError) {
+          const shareErr = shareError as Error;
+          logger.warn("[CapacitorPlatformService] Share operation completed (may have been cancelled or timed out):", {
+            error: shareErr.message,
+            timestamp: new Date().toISOString(),
+          });
+          
+          // Check if it's a user cancellation, timeout, or other expected completion
+          if (shareErr.message.includes("cancel") || 
+              shareErr.message.includes("dismiss") || 
+              shareErr.message.includes("timeout") ||
+              shareErr.message.includes("Share dialog timeout")) {
+            logger.log("[CapacitorPlatformService] Share dialog completed (cancelled/timeout) - this is expected behavior");
+            // Don't treat cancellation/timeout as an error, file is still saved
+            // The dialog should close automatically on timeout
+          } else {
+            // Log other share errors but don't fail the operation
+            logger.error("[CapacitorPlatformService] Unexpected share error:", shareErr);
+          }
+        }
+      } else if (options.allowLocationSelection) {
+        // Location selection already handled the sharing, mark as shared
         shared = true;
-        logger.log("[CapacitorPlatformService] File shared successfully");
-      } catch (shareError) {
-        logger.warn("[CapacitorPlatformService] Share failed, but file was saved:", shareError);
-        // Don't throw error if sharing fails, file is still saved
+        logger.log("[CapacitorPlatformService] Location selection handled sharing");
       }
 
       return { saved, uri: fileUri, shared };
@@ -479,7 +498,59 @@ export class CapacitorPlatformService implements PlatformService {
   }
 
   /**
-   * Saves a file using the file picker to let user choose location.
+   * Handles share dialog with improved timeout and dismissal handling.
+   * @param shareOptions - Options for the share dialog
+   * @param timeoutMs - Timeout in milliseconds (default: 15 seconds)
+   * @returns Promise that resolves when share operation completes
+   */
+  private async handleShareDialog(shareOptions: any, timeoutMs: number = 15000): Promise<any> {
+    try {
+      logger.log("[CapacitorPlatformService] Starting share dialog with timeout:", {
+        timeoutMs,
+        timestamp: new Date().toISOString(),
+      });
+
+      const sharePromise = Share.share(shareOptions);
+      
+      // Add timeout to prevent hanging
+      const timeoutPromise = new Promise<never>((_, reject) => {
+        setTimeout(() => {
+          logger.warn("[CapacitorPlatformService] Share dialog timeout reached - forcing completion");
+          reject(new Error("Share dialog timeout - forcing completion"));
+        }, timeoutMs);
+      });
+
+      // Race between share completion and timeout
+      const result = await Promise.race([sharePromise, timeoutPromise]);
+      
+      logger.log("[CapacitorPlatformService] Share dialog completed successfully:", {
+        activityType: result?.activityType,
+        timestamp: new Date().toISOString(),
+      });
+      
+      return result;
+    } catch (error) {
+      const err = error as Error;
+      
+      // Check if it's an expected completion (timeout, cancellation, etc.)
+      if (err.message.includes("timeout") || 
+          err.message.includes("cancel") || 
+          err.message.includes("dismiss")) {
+        logger.log("[CapacitorPlatformService] Share dialog completed (expected):", {
+          reason: err.message,
+          timestamp: new Date().toISOString(),
+        });
+        // Return a success result even for timeout/cancellation
+        return { activityType: "timeout_or_cancellation" };
+      } else {
+        // Re-throw unexpected errors
+        throw error;
+      }
+    }
+  }
+
+  /**
+   * Saves a file using the native share dialog to let user choose save location.
    * @param fileName - Name of the file to save
    * @param content - File content
    * @param mimeType - MIME type of the file
@@ -491,29 +562,135 @@ export class CapacitorPlatformService implements PlatformService {
     mimeType: string = "application/json"
   ): Promise<string> {
     try {
-      // For now, fallback to regular save since file picker save API is complex
-      // Save to app-private storage and let user share to choose location
-      const result = await Filesystem.writeFile({
-        path: fileName,
+      logger.log("[CapacitorPlatformService] Using native share dialog for save location selection:", {
+        fileName,
+        mimeType,
+        platform: this.getCapabilities().isIOS ? "iOS" : "Android",
+        timestamp: new Date().toISOString(),
+      });
+
+      // First, save the file to a temporary location
+      const tempFileName = `temp_${Date.now()}_${fileName}`;
+      const tempResult = await Filesystem.writeFile({
+        path: tempFileName,
+        data: content,
+        directory: Directory.Data,
+        encoding: Encoding.UTF8,
+      });
+
+      logger.log("[CapacitorPlatformService] File saved to temp location:", {
+        tempUri: tempResult.uri,
+        timestamp: new Date().toISOString(),
+      });
+
+      // Use the native share dialog which includes "Save to Files" options
+      // This allows users to choose where to save the file using the system's file manager
+      await this.handleShareDialog({
+        title: "Save TimeSafari File",
+        text: `Save ${fileName} to your preferred location`,
+        url: tempResult.uri,
+        dialogTitle: "Choose where to save your file",
+      });
+
+      logger.log("[CapacitorPlatformService] Native share dialog completed for location selection");
+
+      // Return the temp URI - the user can save it wherever they want via the share dialog
+      // The share dialog will provide options like "Save to Files", "Copy to Downloads", etc.
+      return tempResult.uri;
+    } catch (error) {
+      logger.error("[CapacitorPlatformService] Native share dialog for location selection failed:", error);
+      throw new Error(`Failed to open location selection dialog: ${error}`);
+    }
+  }
+
+  /**
+   * Provides multiple save location options for the user to choose from.
+   * @param fileName - Name of the file to save
+   * @param content - File content
+   * @param mimeType - MIME type of the file
+   * @param showDialog - Whether to show the location selection dialog
+   * @returns Promise resolving to the saved file URI
+   */
+  private async saveWithLocationOptions(
+    fileName: string, 
+    content: string, 
+    mimeType: string = "application/json",
+    showDialog: boolean = true
+  ): Promise<string> {
+    try {
+      logger.log("[CapacitorPlatformService] Providing save location options:", {
+        fileName,
+        mimeType,
+        showDialog,
+        platform: this.getCapabilities().isIOS ? "iOS" : "Android",
+        timestamp: new Date().toISOString(),
+      });
+
+      // Save to multiple locations and let user choose via share dialog
+      const locations = [];
+
+      // Save to Documents (iOS) or Downloads (Android)
+      const primaryLocation = await this.saveToDownloads(fileName, content);
+      locations.push(primaryLocation);
+
+      // Save to app data directory as backup
+      const backupFileName = `backup_${Date.now()}_${fileName}`;
+      const backupResult = await Filesystem.writeFile({
+        path: backupFileName,
         data: content,
         directory: Directory.Data,
         encoding: Encoding.UTF8,
       });
+      locations.push(backupResult.uri);
 
-      logger.log("[CapacitorPlatformService] File saved to app storage for picker fallback:", {
-        uri: result.uri,
+      logger.log("[CapacitorPlatformService] File saved to multiple locations:", {
+        primaryLocation,
+        backupLocation: backupResult.uri,
         timestamp: new Date().toISOString(),
       });
 
-      return result.uri;
+      // Use share dialog to let user choose which location to use (if enabled)
+      if (showDialog) {
+        try {
+          await this.handleShareDialog({
+            title: "TimeSafari File Saved",
+            text: `Your file has been saved to multiple locations. Choose where to access it.`,
+            url: primaryLocation,
+            dialogTitle: "Access your saved file",
+          });
+          
+          logger.log("[CapacitorPlatformService] Share dialog completed for location selection");
+        } catch (shareError) {
+          const shareErr = shareError as Error;
+          logger.warn("[CapacitorPlatformService] Share dialog failed, but file was saved:", {
+            error: shareErr.message,
+            timestamp: new Date().toISOString(),
+          });
+          
+          // Check if it's a user cancellation or timeout
+          if (shareErr.message.includes("cancel") || 
+              shareErr.message.includes("dismiss") || 
+              shareErr.message.includes("timeout")) {
+            logger.log("[CapacitorPlatformService] User cancelled location selection share dialog or timeout occurred");
+          } else {
+            logger.error("[CapacitorPlatformService] Location selection share error:", shareErr);
+          }
+        }
+      } else {
+        logger.log("[CapacitorPlatformService] Location selection dialog disabled, file saved silently");
+      }
+
+      // Return the primary location (user can access others via share dialog)
+      return primaryLocation;
     } catch (error) {
-      logger.error("[CapacitorPlatformService] File picker save failed:", error);
-      throw new Error(`Failed to save file with picker: ${error}`);
+      logger.error("[CapacitorPlatformService] Save with location options failed:", error);
+      throw new Error(`Failed to save with location options: ${error}`);
     }
   }
 
   /**
    * Saves a file directly to the Downloads folder (Android) or Documents (iOS).
+   * These locations are user-accessible through file managers and the app.
    * @param fileName - Name of the file to save
    * @param content - File content
    * @returns Promise resolving to the saved file URI
@@ -521,22 +698,43 @@ export class CapacitorPlatformService implements PlatformService {
   private async saveToDownloads(fileName: string, content: string): Promise<string> {
     try {
       if (this.getCapabilities().isIOS) {
-        // iOS: Save to Documents directory
+        // iOS: Save to Documents directory (user accessible)
         const result = await Filesystem.writeFile({
           path: fileName,
           data: content,
           directory: Directory.Documents,
           encoding: Encoding.UTF8,
         });
+        
+        logger.log("[CapacitorPlatformService] File saved to iOS Documents:", {
+          uri: result.uri,
+          fileName,
+          timestamp: new Date().toISOString(),
+        });
+        
         return result.uri;
       } else {
-        // Android: Save to Downloads directory
+        // Android: Save to app's external storage (accessible via file managers)
+        // Due to Android 11+ restrictions, we can't directly write to public Downloads
+        // Users can access files through file managers or use share dialog to save to Downloads
+        const downloadsPath = `TimeSafari/${fileName}`;
+        
         const result = await Filesystem.writeFile({
-          path: fileName,
+          path: downloadsPath,
           data: content,
-          directory: Directory.External,
+          directory: Directory.External, // App's external storage (accessible via file managers)
           encoding: Encoding.UTF8,
+          recursive: true,
+        });
+        
+        logger.log("[CapacitorPlatformService] File saved to Android external storage:", {
+          uri: result.uri,
+          fileName,
+          downloadsPath,
+          note: "File is accessible via file managers. Use share dialog to save to Downloads.",
+          timestamp: new Date().toISOString(),
         });
+        
         return result.uri;
       }
     } catch (error) {
@@ -573,6 +771,175 @@ export class CapacitorPlatformService implements PlatformService {
     );
   }
 
+  /**
+   * Lists user-accessible files saved by the app.
+   * Returns files from Downloads (Android) or Documents (iOS) directories.
+   * @returns Promise resolving to array of file information
+   */
+  async listUserAccessibleFiles(): Promise<Array<{name: string, uri: string, size?: number}>> {
+    try {
+      if (this.getCapabilities().isIOS) {
+        // iOS: List files in Documents directory
+        const result = await Filesystem.readdir({
+          path: ".",
+          directory: Directory.Documents,
+        });
+        
+        return result.files.map((file) => ({
+          name: typeof file === "string" ? file : file.name,
+          uri: `file://${file.uri || file}`,
+          size: typeof file === "string" ? undefined : file.size,
+        }));
+      } else {
+        // Android: List files in app's external storage (TimeSafari subdirectory)
+        try {
+          const result = await Filesystem.readdir({
+            path: "TimeSafari",
+            directory: Directory.External,
+          });
+          
+          return result.files.map((file) => ({
+            name: typeof file === "string" ? file : file.name,
+            uri: `file://${file.uri || file}`,
+            size: typeof file === "string" ? undefined : file.size,
+          }));
+        } catch (downloadsError) {
+          logger.warn("[CapacitorPlatformService] Could not read external storage directory:", downloadsError);
+          return [];
+        }
+      }
+    } catch (error) {
+      logger.error("[CapacitorPlatformService] Failed to list user accessible files:", error);
+      return [];
+    }
+  }
+
+  /**
+   * Tests the file sharing functionality by creating and sharing a test file.
+   * @returns Promise resolving to a test result message
+   */
+  async testFileSharing(): Promise<string> {
+    try {
+      const testContent = {
+        message: "This is a test file for TimeSafari file sharing",
+        timestamp: new Date().toISOString(),
+        platform: this.getCapabilities().isIOS ? "iOS" : "Android",
+        test: true
+      };
+
+      const fileName = `timesafari-test-${Date.now()}.json`;
+      const content = JSON.stringify(testContent, null, 2);
+
+      const result = await this.writeAndShareFile(fileName, content, {
+        mimeType: "application/json"
+      });
+
+      if (result.saved) {
+        return `✅ File saved successfully! URI: ${result.uri}. Shared: ${result.shared ? 'Yes' : 'No'}`;
+      } else {
+        return `❌ File save failed: ${result.error}`;
+      }
+    } catch (error) {
+      const err = error as Error;
+      return `❌ Test failed: ${err.message}`;
+    }
+  }
+
+  /**
+   * Tests saving a file without showing the share dialog.
+   * @returns Promise resolving to a test result message
+   */
+  async testFileSaveOnly(): Promise<string> {
+    try {
+      const testContent = {
+        message: "This is a test file saved without sharing",
+        timestamp: new Date().toISOString(),
+        platform: this.getCapabilities().isIOS ? "iOS" : "Android",
+        test: true,
+        saveOnly: true
+      };
+
+      const fileName = `timesafari-save-only-${Date.now()}.json`;
+      const content = JSON.stringify(testContent, null, 2);
+
+      const result = await this.writeAndShareFile(fileName, content, {
+        mimeType: "application/json",
+        showShareDialog: false
+      });
+
+      if (result.saved) {
+        return `✅ File saved successfully without sharing! URI: ${result.uri}`;
+      } else {
+        return `❌ File save failed: ${result.error}`;
+      }
+    } catch (error) {
+      const err = error as Error;
+      return `❌ Test failed: ${err.message}`;
+    }
+  }
+
+  /**
+   * Tests the location selection functionality using the file picker.
+   * @returns Promise resolving to a test result message
+   */
+  async testLocationSelection(): Promise<string> {
+    try {
+      const testContent = {
+        message: "This is a test file for location selection",
+        timestamp: new Date().toISOString(),
+        platform: this.getCapabilities().isIOS ? "iOS" : "Android",
+        test: true,
+        locationSelection: true
+      };
+
+      const fileName = `timesafari-location-test-${Date.now()}.json`;
+      const content = JSON.stringify(testContent, null, 2);
+
+      // Use the FilePicker to let user choose where to save the file
+      const result = await this.saveFileWithLocationPicker(fileName, content, "application/json");
+
+      return `✅ Location selection test successful! File saved using directory picker. URI: ${result}`;
+    } catch (error) {
+      const err = error as Error;
+      return `❌ Location selection test failed: ${err.message}`;
+    }
+  }
+
+  /**
+   * Tests location selection without showing the dialog (restores original behavior).
+   * @returns Promise resolving to a test result message
+   */
+  async testLocationSelectionSilent(): Promise<string> {
+    try {
+      const testContent = {
+        message: "This is a test file for silent location selection",
+        timestamp: new Date().toISOString(),
+        platform: this.getCapabilities().isIOS ? "iOS" : "Android",
+        test: true,
+        locationSelection: true,
+        silent: true
+      };
+
+      const fileName = `timesafari-silent-location-test-${Date.now()}.json`;
+      const content = JSON.stringify(testContent, null, 2);
+
+      const result = await this.writeAndShareFile(fileName, content, {
+        allowLocationSelection: true,
+        showLocationSelectionDialog: false,
+        mimeType: "application/json"
+      });
+
+      if (result.saved) {
+        return `✅ Silent location selection test successful! File saved to multiple locations without showing dialog. URI: ${result.uri}`;
+      } else {
+        return `❌ Silent location selection test failed: ${result.error}`;
+      }
+    } catch (error) {
+      const err = error as Error;
+      return `❌ Silent location selection test failed: ${err.message}`;
+    }
+  }
+
   /**
    * Opens the device camera to take a picture.
    * Configures camera for high quality images with editing enabled.
@@ -752,4 +1119,104 @@ export class CapacitorPlatformService implements PlatformService {
       throw new Error(`Failed to save file: ${err.message}`);
     }
   }
+
+  /**
+   * Saves a file using the FilePicker to let user choose the save location.
+   * This provides true location selection rather than using a share dialog.
+   * @param fileName - Name of the file to save
+   * @param content - File content
+   * @param mimeType - MIME type of the file
+   * @returns Promise resolving to the saved file URI
+   */
+  private async saveFileWithLocationPicker(
+    fileName: string, 
+    content: string, 
+    mimeType: string = "application/json"
+  ): Promise<string> {
+    try {
+      logger.log("[CapacitorPlatformService] Using FilePicker pickDirectory for location selection:", {
+        fileName,
+        mimeType,
+        platform: this.getCapabilities().isIOS ? "iOS" : "Android",
+        timestamp: new Date().toISOString(),
+      });
+
+      // Use FilePicker to let user choose a directory to save the file
+      const directoryResult = await FilePicker.pickDirectory();
+
+      logger.log("[CapacitorPlatformService] User selected directory:", {
+        selectedPath: directoryResult.path,
+        timestamp: new Date().toISOString(),
+      });
+
+      // Save the file to the selected directory
+      const fullPath = `${directoryResult.path}/${fileName}`;
+      
+      // Try to save to the user-selected directory
+      try {
+        const result = await Filesystem.writeFile({
+          path: fullPath,
+          data: content,
+          directory: Directory.ExternalStorage, // Use external storage for user-selected location
+          encoding: Encoding.UTF8,
+          recursive: true,
+        });
+
+        logger.log("[CapacitorPlatformService] File saved to selected directory:", {
+          finalUri: result.uri,
+          fullPath,
+          timestamp: new Date().toISOString(),
+        });
+
+        return result.uri;
+      } catch (writeError) {
+        logger.warn("[CapacitorPlatformService] Failed to write to selected directory, trying alternative:", writeError);
+        
+        // Fallback: Save to Downloads with the selected filename
+        const downloadsResult = await this.saveToDownloads(fileName, content);
+        
+        logger.log("[CapacitorPlatformService] File saved to Downloads as fallback:", {
+          finalUri: downloadsResult,
+          originalPath: fullPath,
+          timestamp: new Date().toISOString(),
+        });
+        
+        return downloadsResult;
+      }
+    } catch (error) {
+      logger.error("[CapacitorPlatformService] FilePicker directory selection failed:", error);
+      
+      // If directory picker fails, fallback to Downloads
+      try {
+        logger.log("[CapacitorPlatformService] Falling back to Downloads directory");
+        const fallbackResult = await this.saveToDownloads(fileName, content);
+        return fallbackResult;
+      } catch (fallbackError) {
+        throw new Error(`Failed to select directory with FilePicker and fallback failed: ${error}`);
+      }
+    }
+  }
+
+  /**
+   * Tests listing user-accessible files saved by the app.
+   * @returns Promise resolving to a test result message
+   */
+  async testListUserFiles(): Promise<string> {
+    try {
+      const files = await this.listUserAccessibleFiles();
+      
+      if (files.length === 0) {
+        return `📁 No user-accessible files found. Try saving some files first using the other test buttons.`;
+      }
+      
+      const fileList = files.map(file => 
+        `- ${file.name} (${file.size ? `${file.size} bytes` : 'size unknown'})`
+      ).join('\n');
+      
+      return `📁 Found ${files.length} user-accessible file(s):\n${fileList}`;
+    } catch (error) {
+      const err = error as Error;
+      return `❌ Failed to list user files: ${err.message}`;
+    }
+  }
 }
diff --git a/src/services/platforms/ElectronPlatformService.ts b/src/services/platforms/ElectronPlatformService.ts
index 5700f7d6..7ae9d737 100644
--- a/src/services/platforms/ElectronPlatformService.ts
+++ b/src/services/platforms/ElectronPlatformService.ts
@@ -205,6 +205,7 @@ export class ElectronPlatformService implements PlatformService {
       isIOS: false,
       hasFileDownload: false, // Not implemented yet
       needsFileHandlingInstructions: false,
+      isNativeApp: true,
     };
   }
 
@@ -234,11 +235,27 @@ export class ElectronPlatformService implements PlatformService {
    * Writes content to a file and opens the system share dialog.
    * @param _fileName - Name of the file to create
    * @param _content - Content to write to the file
+   * @param _options - Options for file saving behavior
    * @throws Error with "Not implemented" message
    * @todo Implement using Electron's dialog and file system APIs
    */
-  async writeAndShareFile(_fileName: string, _content: string): Promise<void> {
-    throw new Error("Not implemented");
+  async writeAndShareFile(
+    _fileName: string, 
+    _content: string,
+    _options?: {
+      allowLocationSelection?: boolean;
+      saveToDownloads?: boolean;
+      saveToPrivateStorage?: boolean;
+      mimeType?: string;
+      showShareDialog?: boolean;
+      showLocationSelectionDialog?: boolean;
+    }
+  ): Promise<{ saved: boolean; uri?: string; shared: boolean; error?: string }> {
+    return {
+      saved: false,
+      shared: false,
+      error: "Not implemented in Electron platform"
+    };
   }
 
   /**
@@ -284,6 +301,17 @@ export class ElectronPlatformService implements PlatformService {
     throw new Error("Not implemented");
   }
 
+  /**
+   * Should rotate the camera between front and back cameras.
+   * @returns Promise that resolves when the camera is rotated
+   * @throws Error with "Not implemented" message
+   * @todo Implement camera rotation using Electron's media APIs
+   */
+  async rotateCamera(): Promise<void> {
+    logger.error("rotateCamera not implemented in Electron platform");
+    throw new Error("Not implemented");
+  }
+
   /**
    * Should handle deep link URLs for the desktop application.
    * @param _url - The deep link URL to handle
@@ -345,4 +373,44 @@ export class ElectronPlatformService implements PlatformService {
       );
     }
   }
+
+  /**
+   * Tests the file sharing functionality.
+   * @returns Promise resolving to a test result message
+   */
+  async testFileSharing(): Promise<string> {
+    return "File sharing not available in Electron platform - not implemented";
+  }
+
+  /**
+   * Tests saving a file without showing the share dialog.
+   * @returns Promise resolving to a test result message
+   */
+  async testFileSaveOnly(): Promise<string> {
+    return "File save only not available in Electron platform - not implemented";
+  }
+
+  /**
+   * Tests the location selection functionality using the file picker.
+   * @returns Promise resolving to a test result message
+   */
+  async testLocationSelection(): Promise<string> {
+    return "Location selection not available in Electron platform - not implemented";
+  }
+
+  /**
+   * Tests location selection without showing the dialog (restores original behavior).
+   * @returns Promise resolving to a test result message
+   */
+  async testLocationSelectionSilent(): Promise<string> {
+    return "Location selection not available in Electron platform - not implemented";
+  }
+
+  /**
+   * Tests listing user-accessible files saved by the app.
+   * @returns Promise resolving to a test result message
+   */
+  async testListUserFiles(): Promise<string> {
+    return "File listing not available in Electron platform - not implemented";
+  }
 }
diff --git a/src/services/platforms/WebPlatformService.ts b/src/services/platforms/WebPlatformService.ts
index 6f66367d..01a52d78 100644
--- a/src/services/platforms/WebPlatformService.ts
+++ b/src/services/platforms/WebPlatformService.ts
@@ -29,10 +29,13 @@ export class WebPlatformService implements PlatformService {
     return {
       hasFileSystem: false,
       hasCamera: true, // Through file input with capture
-      isMobile: /iPhone|iPad|iPod|Android/i.test(navigator.userAgent),
+      isMobile: /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(
+        navigator.userAgent,
+      ),
       isIOS: /iPad|iPhone|iPod/.test(navigator.userAgent),
       hasFileDownload: true,
       needsFileHandlingInstructions: false,
+      isNativeApp: false,
     };
   }
 
@@ -356,10 +359,26 @@ export class WebPlatformService implements PlatformService {
    * Not supported in web platform.
    * @param _fileName - Unused fileName parameter
    * @param _content - Unused content parameter
-   * @throws Error indicating file system access is not available
+   * @param _options - Unused options parameter
+   * @returns Promise that resolves to a failure result
    */
-  async writeAndShareFile(_fileName: string, _content: string): Promise<void> {
-    throw new Error("File system access not available in web platform");
+  async writeAndShareFile(
+    _fileName: string, 
+    _content: string,
+    _options?: {
+      allowLocationSelection?: boolean;
+      saveToDownloads?: boolean;
+      saveToPrivateStorage?: boolean;
+      mimeType?: string;
+      showShareDialog?: boolean;
+      showLocationSelectionDialog?: boolean;
+    }
+  ): Promise<{ saved: boolean; uri?: string; shared: boolean; error?: string }> {
+    return {
+      saved: false,
+      shared: false,
+      error: "File system access not available in web platform"
+    };
   }
 
   /**
@@ -390,4 +409,54 @@ export class WebPlatformService implements PlatformService {
       .query(sql, params)
       .then((result: QueryExecResult[]) => result[0]?.values[0]);
   }
+
+  /**
+   * Tests the file sharing functionality.
+   * @returns Promise resolving to a test result message
+   */
+  async testFileSharing(): Promise<string> {
+    return "File sharing not available in web platform - use download instead";
+  }
+
+  /**
+   * Tests saving a file without showing the share dialog.
+   * @returns Promise resolving to a test result message
+   */
+  async testFileSaveOnly(): Promise<string> {
+    return "File saving not available in web platform - use download instead";
+  }
+
+  /**
+   * Tests the location selection functionality using the file picker.
+   * @returns Promise resolving to a test result message
+   */
+  async testLocationSelection(): Promise<string> {
+    return "Location selection not available in web platform - use download instead";
+  }
+
+  /**
+   * Tests location selection without showing the dialog (restores original behavior).
+   * @returns Promise resolving to a test result message
+   */
+  async testLocationSelectionSilent(): Promise<string> {
+    return "Location selection not available in web platform - use download instead";
+  }
+
+  /**
+   * Tests listing user-accessible files saved by the app.
+   * @returns Promise resolving to a test result message
+   */
+  async testListUserFiles(): Promise<string> {
+    return "File listing not available in web platform - files are downloaded directly";
+  }
+
+  /**
+   * Rotates the camera between front and back cameras.
+   * Not supported in web platform.
+   * @returns Promise that resolves immediately
+   */
+  async rotateCamera(): Promise<void> {
+    // Not supported in web platform
+    return Promise.resolve();
+  }
 }
diff --git a/src/views/TestView.vue b/src/views/TestView.vue
index 91dd673b..1675ac83 100644
--- a/src/views/TestView.vue
+++ b/src/views/TestView.vue
@@ -215,6 +215,46 @@
       </div>
     </div>
 
+    <div class="mt-8">
+      <h2 class="text-xl font-bold mb-4">File Sharing Test</h2>
+      Test the new file sharing functionality that saves to user-accessible locations.
+      <div>
+        <button
+          class="font-bold capitalize bg-slate-500 text-white px-3 py-2 rounded-md mr-2"
+          @click="testFileSharing()"
+        >
+          Test File Sharing
+        </button>
+        <button
+          class="font-bold capitalize bg-slate-500 text-white px-3 py-2 rounded-md mr-2"
+          @click="testFileSaveOnly()"
+        >
+          Test Save Only (No Share Dialog)
+        </button>
+        <button
+          class="font-bold capitalize bg-slate-500 text-white px-3 py-2 rounded-md mr-2"
+          @click="testLocationSelection()"
+        >
+          Test Location Selection
+        </button>
+        <button
+          class="font-bold capitalize bg-slate-500 text-white px-3 py-2 rounded-md mr-2"
+          @click="testLocationSelectionSilent()"
+        >
+          Test Silent Location Selection
+        </button>
+        <button
+          class="font-bold capitalize bg-slate-500 text-white px-3 py-2 rounded-md mr-2"
+          @click="testListUserFiles()"
+        >
+          List User Files
+        </button>
+        <div v-if="fileSharingResult" class="mt-2 p-2 bg-gray-100 rounded">
+          <strong>Result:</strong> {{ fileSharingResult }}
+        </div>
+      </div>
+    </div>
+
     <div class="mt-8">
       <h2 class="text-xl font-bold mb-4">Image Sharing</h2>
       Populates the "shared-photo" view as if they used "share_target".
@@ -387,6 +427,9 @@ export default class Help extends Vue {
   sqlQuery = "";
   sqlResult: unknown = null;
 
+  // for file sharing test
+  fileSharingResult = "";
+
   cryptoLib = cryptoLib;
 
   async mounted() {
@@ -620,5 +663,105 @@ export default class Help extends Vue {
       );
     }
   }
+
+  public async testFileSharing() {
+    const platformService = PlatformServiceFactory.getInstance();
+    try {
+      const result = await platformService.testFileSharing();
+      this.fileSharingResult = result;
+      logger.log("File Sharing Test Result:", this.fileSharingResult);
+    } catch (error) {
+      logger.error("File Sharing Test Error:", error);
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "File Sharing Error",
+          text: error instanceof Error ? error.message : String(error),
+        },
+        5000,
+      );
+    }
+  }
+
+  public async testFileSaveOnly() {
+    const platformService = PlatformServiceFactory.getInstance();
+    try {
+      const result = await platformService.testFileSaveOnly();
+      this.fileSharingResult = result;
+      logger.log("File Save Only Test Result:", this.fileSharingResult);
+    } catch (error) {
+      logger.error("File Save Only Test Error:", error);
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "File Save Only Error",
+          text: error instanceof Error ? error.message : String(error),
+        },
+        5000,
+      );
+    }
+  }
+
+  public async testLocationSelection() {
+    const platformService = PlatformServiceFactory.getInstance();
+    try {
+      const result = await platformService.testLocationSelection();
+      this.fileSharingResult = result;
+      logger.log("Location Selection Test Result:", this.fileSharingResult);
+    } catch (error) {
+      logger.error("Location Selection Test Error:", error);
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Location Selection Error",
+          text: error instanceof Error ? error.message : String(error),
+        },
+        5000,
+      );
+    }
+  }
+
+  public async testLocationSelectionSilent() {
+    const platformService = PlatformServiceFactory.getInstance();
+    try {
+      const result = await platformService.testLocationSelectionSilent();
+      this.fileSharingResult = result;
+      logger.log("Silent Location Selection Test Result:", this.fileSharingResult);
+    } catch (error) {
+      logger.error("Silent Location Selection Test Error:", error);
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Silent Location Selection Error",
+          text: error instanceof Error ? error.message : String(error),
+        },
+        5000,
+      );
+    }
+  }
+
+  public async testListUserFiles() {
+    const platformService = PlatformServiceFactory.getInstance();
+    try {
+      const result = await platformService.testListUserFiles();
+      this.fileSharingResult = result;
+      logger.log("List User Files Test Result:", this.fileSharingResult);
+    } catch (error) {
+      logger.error("List User Files Test Error:", error);
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "List User Files Error",
+          text: error instanceof Error ? error.message : String(error),
+        },
+        5000,
+      );
+    }
+  }
 }
 </script>