diff --git a/Kiosk/android/app/src/main/kotlin/com/secgo/kiosk/MainActivity.kt b/Kiosk/android/app/src/main/kotlin/com/secgo/kiosk/MainActivity.kt
index 3ec25ee..561388e 100644
--- a/Kiosk/android/app/src/main/kotlin/com/secgo/kiosk/MainActivity.kt
+++ b/Kiosk/android/app/src/main/kotlin/com/secgo/kiosk/MainActivity.kt
@@ -4,6 +4,7 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
+import android.content.pm.PackageManager
 import android.os.Build
 import android.provider.Settings
 import android.util.Log
@@ -43,6 +44,55 @@ class MainActivity : FlutterActivity() {
         "getLatestWechatNotification" -> result.success(getLatestWechatNotification())
         "getLatestWechatPaymentNotification" -> result.success(getLatestWechatPaymentNotification())
         "getActiveWechatNotificationsSnapshot" -> result.success(getActiveWechatNotificationsSnapshot())
+        "openLauncherHome" -> {
+          val intent =
+            Intent(Intent.ACTION_MAIN).apply {
+              addCategory(Intent.CATEGORY_HOME)
+              addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            }
+          startActivity(intent)
+          result.success(true)
+        }
+        "openApp" -> {
+          val pkg = call.argument<String>("packageName")?.trim()
+          if (pkg.isNullOrBlank()) {
+            result.success(false)
+            return@setMethodCallHandler
+          }
+          val launchIntent = packageManager.getLaunchIntentForPackage(pkg)
+          if (launchIntent == null) {
+            result.success(false)
+            return@setMethodCallHandler
+          }
+          launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+          startActivity(launchIntent)
+          result.success(true)
+        }
+        "listLaunchableApps" -> {
+          val intent =
+            Intent(Intent.ACTION_MAIN).apply {
+              addCategory(Intent.CATEGORY_LAUNCHER)
+            }
+
+          val activities =
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+              packageManager.queryIntentActivities(intent, PackageManager.ResolveInfoFlags.of(0))
+            } else {
+              @Suppress("DEPRECATION")
+              packageManager.queryIntentActivities(intent, 0)
+            }
+
+          val resultList =
+            activities.map { ri ->
+              val label = ri.loadLabel(packageManager)?.toString() ?: ""
+              val pkg = ri.activityInfo?.packageName ?: ""
+              mapOf(
+                "packageName" to pkg,
+                "label" to label,
+              )
+            }.filter { it["packageName"]?.isNotBlank() == true }
+          result.success(resultList)
+        }
         "openNotificationListenerSettings" -> {
           startActivity(Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK))
           result.success(true)
diff --git a/Kiosk/lib/l10n/app_en.arb b/Kiosk/lib/l10n/app_en.arb
index 7b2dbe0..bcfe823 100644
--- a/Kiosk/lib/l10n/app_en.arb
+++ b/Kiosk/lib/l10n/app_en.arb
@@ -53,5 +53,17 @@
   "retry": "Retry",
   "serverNoIp": "Failed to start server: No IP address found",
   "restoreComplete": "Restore Complete",
-  "returningHome": "Refreshing data..."
+  "returningHome": "Refreshing data...",
+  "openLauncher": "Open Launcher",
+  "launcherTarget": "Target: {target}",
+  "launcherDefault": "Launcher",
+  "homeAppPackageTitle": "Home app package (optional)",
+  "homeAppPackageHint": "e.g. com.secgo.home",
+  "homeAppNotSet": "Not set (use Launcher)",
+  "homeAppTitle": "Home App (optional)",
+  "searchApps": "Search apps",
+  "noAppsFound": "No apps found",
+  "homeAppOpenFailed": "Can't open {package}. Opening Launcher instead.",
+  "clear": "Clear",
+  "save": "Save"
 }
diff --git a/Kiosk/lib/l10n/app_localizations.dart b/Kiosk/lib/l10n/app_localizations.dart
index 59d356c..495dfed 100644
--- a/Kiosk/lib/l10n/app_localizations.dart
+++ b/Kiosk/lib/l10n/app_localizations.dart
@@ -427,6 +427,78 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'Refreshing data...'**
   String get returningHome;
+
+  /// No description provided for @openLauncher.
+  ///
+  /// In en, this message translates to:
+  /// **'Open Launcher'**
+  String get openLauncher;
+
+  /// No description provided for @launcherTarget.
+  ///
+  /// In en, this message translates to:
+  /// **'Target: {target}'**
+  String launcherTarget(Object target);
+
+  /// No description provided for @launcherDefault.
+  ///
+  /// In en, this message translates to:
+  /// **'Launcher'**
+  String get launcherDefault;
+
+  /// No description provided for @homeAppPackageTitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Home app package (optional)'**
+  String get homeAppPackageTitle;
+
+  /// No description provided for @homeAppPackageHint.
+  ///
+  /// In en, this message translates to:
+  /// **'e.g. com.secgo.home'**
+  String get homeAppPackageHint;
+
+  /// No description provided for @homeAppNotSet.
+  ///
+  /// In en, this message translates to:
+  /// **'Not set (use Launcher)'**
+  String get homeAppNotSet;
+
+  /// No description provided for @homeAppTitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Home App (optional)'**
+  String get homeAppTitle;
+
+  /// No description provided for @searchApps.
+  ///
+  /// In en, this message translates to:
+  /// **'Search apps'**
+  String get searchApps;
+
+  /// No description provided for @noAppsFound.
+  ///
+  /// In en, this message translates to:
+  /// **'No apps found'**
+  String get noAppsFound;
+
+  /// No description provided for @homeAppOpenFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Can\'t open {package}. Opening Launcher instead.'**
+  String homeAppOpenFailed(Object package);
+
+  /// No description provided for @clear.
+  ///
+  /// In en, this message translates to:
+  /// **'Clear'**
+  String get clear;
+
+  /// No description provided for @save.
+  ///
+  /// In en, this message translates to:
+  /// **'Save'**
+  String get save;
 }
 
 class _AppLocalizationsDelegate
diff --git a/Kiosk/lib/l10n/app_localizations_en.dart b/Kiosk/lib/l10n/app_localizations_en.dart
index 59d6c0e..58823a7 100644
--- a/Kiosk/lib/l10n/app_localizations_en.dart
+++ b/Kiosk/lib/l10n/app_localizations_en.dart
@@ -194,4 +194,44 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get returningHome => 'Refreshing data...';
+
+  @override
+  String get openLauncher => 'Open Launcher';
+
+  @override
+  String launcherTarget(Object target) {
+    return 'Target: $target';
+  }
+
+  @override
+  String get launcherDefault => 'Launcher';
+
+  @override
+  String get homeAppPackageTitle => 'Home app package (optional)';
+
+  @override
+  String get homeAppPackageHint => 'e.g. com.secgo.home';
+
+  @override
+  String get homeAppNotSet => 'Not set (use Launcher)';
+
+  @override
+  String get homeAppTitle => 'Home App (optional)';
+
+  @override
+  String get searchApps => 'Search apps';
+
+  @override
+  String get noAppsFound => 'No apps found';
+
+  @override
+  String homeAppOpenFailed(Object package) {
+    return 'Can\'t open $package. Opening Launcher instead.';
+  }
+
+  @override
+  String get clear => 'Clear';
+
+  @override
+  String get save => 'Save';
 }
diff --git a/Kiosk/lib/l10n/app_localizations_zh.dart b/Kiosk/lib/l10n/app_localizations_zh.dart
index 80206fc..fc6e174 100644
--- a/Kiosk/lib/l10n/app_localizations_zh.dart
+++ b/Kiosk/lib/l10n/app_localizations_zh.dart
@@ -190,4 +190,44 @@ class AppLocalizationsZh extends AppLocalizations {
 
   @override
   String get returningHome => '正在刷新数据...';
+
+  @override
+  String get openLauncher => '打开桌面启动器';
+
+  @override
+  String launcherTarget(Object target) {
+    return '目标：$target';
+  }
+
+  @override
+  String get launcherDefault => '桌面启动器';
+
+  @override
+  String get homeAppPackageTitle => '首页应用包名（可选）';
+
+  @override
+  String get homeAppPackageHint => '例如：com.secgo.home';
+
+  @override
+  String get homeAppNotSet => '未设置（使用桌面启动器）';
+
+  @override
+  String get homeAppTitle => '首页应用（可选）';
+
+  @override
+  String get searchApps => '搜索应用';
+
+  @override
+  String get noAppsFound => '未找到应用';
+
+  @override
+  String homeAppOpenFailed(Object package) {
+    return '无法打开 $package，将打开桌面启动器。';
+  }
+
+  @override
+  String get clear => '清除';
+
+  @override
+  String get save => '保存';
 }
diff --git a/Kiosk/lib/l10n/app_zh.arb b/Kiosk/lib/l10n/app_zh.arb
index e06d87f..8222a95 100644
--- a/Kiosk/lib/l10n/app_zh.arb
+++ b/Kiosk/lib/l10n/app_zh.arb
@@ -53,5 +53,17 @@
   "pinLength": "PIN码至少需要4位数字",
   "confirmPin": "确认PIN码",
   "pinMismatch": "两次输入的PIN码不一致",
-  "saveAndContinue": "保存并继续"
+  "saveAndContinue": "保存并继续",
+  "openLauncher": "打开桌面启动器",
+  "launcherTarget": "目标：{target}",
+  "launcherDefault": "桌面启动器",
+  "homeAppPackageTitle": "首页应用包名（可选）",
+  "homeAppPackageHint": "例如：com.secgo.home",
+  "homeAppNotSet": "未设置（使用桌面启动器）",
+  "homeAppTitle": "首页应用（可选）",
+  "searchApps": "搜索应用",
+  "noAppsFound": "未找到应用",
+  "homeAppOpenFailed": "无法打开 {package}，将打开桌面启动器。",
+  "clear": "清除",
+  "save": "保存"
 }
diff --git a/Kiosk/lib/screens/main_screen.dart b/Kiosk/lib/screens/main_screen.dart
index ac15736..2897db2 100644
--- a/Kiosk/lib/screens/main_screen.dart
+++ b/Kiosk/lib/screens/main_screen.dart
@@ -176,6 +176,48 @@ class _MainScreenState extends State<MainScreen> {
     );
   }
 
+  Future<bool> _confirmAdminPin() async {
+    final expected = _settingsService.getPin();
+    if (expected == null || expected.isEmpty) return true;
+
+    final l10n = AppLocalizations.of(context)!;
+    final controller = TextEditingController();
+    final ok = await showDialog<bool>(
+      context: context,
+      barrierDismissible: false,
+      builder: (dialogContext) {
+        return AlertDialog(
+          title: Text(l10n.adminConfirm),
+          content: TextField(
+            controller: controller,
+            obscureText: true,
+            keyboardType: TextInputType.number,
+            decoration: InputDecoration(labelText: l10n.enterPin),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(dialogContext, false),
+              child: Text(l10n.cancel),
+            ),
+            TextButton(
+              onPressed: () {
+                if (controller.text.trim() == expected) {
+                  Navigator.pop(dialogContext, true);
+                } else {
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(content: Text(l10n.invalidPin)),
+                  );
+                }
+              },
+              child: Text(l10n.confirm),
+            ),
+          ],
+        );
+      },
+    );
+    return ok ?? false;
+  }
+
   Future<void> _resumePendingPaymentIfAny() async {
     if (!mounted) return;
     final pendingId = _settingsService.getPendingPaymentOrderId();
@@ -634,11 +676,18 @@ class _MainScreenState extends State<MainScreen> {
                          // Settings Button (Hidden access)
                         IconButton(
                           icon: const Icon(Icons.settings, color: Colors.grey),
-                          onPressed: () {
-                            Navigator.push(
-                              context,
+                          onPressed: () async {
+                            final navigator = Navigator.of(context);
+                            final ok = await _confirmAdminPin();
+                            if (!ok || !mounted) return;
+                            final result = await navigator.push(
                               MaterialPageRoute(builder: (_) => const SettingsScreen()),
                             );
+                            if (!mounted) return;
+                            if (result == 'reset') {
+                              _clearCart();
+                              setState(() => _isProcessing = false);
+                            }
                           },
                         ),
                       ],
diff --git a/Kiosk/lib/screens/settings_screen.dart b/Kiosk/lib/screens/settings_screen.dart
index c0e37be..a051813 100644
--- a/Kiosk/lib/screens/settings_screen.dart
+++ b/Kiosk/lib/screens/settings_screen.dart
@@ -4,6 +4,7 @@ import 'package:kiosk/services/server/kiosk_server.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 import 'package:kiosk/l10n/app_localizations.dart';
 
+import 'package:kiosk/services/android_launcher_service.dart';
 import 'package:kiosk/services/settings_service.dart';
 import 'package:kiosk/services/restore_notifier.dart';
 
@@ -18,15 +19,20 @@ class _SettingsScreenState extends State<SettingsScreen> {
   late final KioskServerService _serverService;
   final TextEditingController _pinController = TextEditingController();
   final SettingsService _settingsService = SettingsService(); // Add SettingsService
+  final AndroidLauncherService _launcherService = AndroidLauncherService();
   bool _isServerRunning = false;
   bool _isLoading = false;
   bool _showRestoreComplete = false;
   String? _qrData;
+  String? _homeAppPackage;
+  String? _homeAppLabel;
 
   @override
   void initState() {
     super.initState();
     _serverService = KioskServerService(onRestoreComplete: _onRestoreComplete);
+    _homeAppPackage = _settingsService.getHomeAppPackage();
+    _homeAppLabel = _settingsService.getHomeAppLabel();
     // Pre-fill PIN if available
     final savedPin = _settingsService.getPin();
     if (savedPin != null) {
@@ -41,9 +47,207 @@ class _SettingsScreenState extends State<SettingsScreen> {
   @override
   void dispose() {
     _serverService.stopServer();
+    _pinController.dispose();
     super.dispose();
   }
 
+  Future<bool> _confirmPin() async {
+    final l10n = AppLocalizations.of(context)!;
+    final expected = _settingsService.getPin() ?? _pinController.text.trim();
+    final controller = TextEditingController();
+    final ok = await showDialog<bool>(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: Text(l10n.adminConfirm),
+          content: TextField(
+            controller: controller,
+            obscureText: true,
+            keyboardType: TextInputType.number,
+            decoration: InputDecoration(labelText: l10n.enterPin),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(context, false),
+              child: Text(l10n.cancel),
+            ),
+            TextButton(
+              onPressed: () {
+                if (controller.text.trim() == expected) {
+                  Navigator.pop(context, true);
+                } else {
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(content: Text(l10n.invalidPin)),
+                  );
+                }
+              },
+              child: Text(l10n.confirm),
+            ),
+          ],
+        );
+      },
+    );
+    return ok ?? false;
+  }
+
+  Future<void> _pickHomeApp() async {
+    final l10n = AppLocalizations.of(context)!;
+    final apps = await _launcherService.listLaunchableApps();
+    apps.sort((a, b) {
+      final al = (a['label'] ?? a['packageName'] ?? '').toLowerCase();
+      final bl = (b['label'] ?? b['packageName'] ?? '').toLowerCase();
+      return al.compareTo(bl);
+    });
+
+    if (!mounted) return;
+    final result = await showDialog<Map<String, String>?>(
+      context: context,
+      builder: (context) {
+        var query = '';
+        final searchController = TextEditingController();
+        return StatefulBuilder(
+          builder: (context, setState) {
+            final filtered = query.isEmpty
+                ? apps
+                : apps.where((e) {
+                    final label = (e['label'] ?? '').toLowerCase();
+                    final pkg = (e['packageName'] ?? '').toLowerCase();
+                    final q = query.toLowerCase();
+                    return label.contains(q) || pkg.contains(q);
+                  }).toList();
+
+            return AlertDialog(
+              title: Text(l10n.homeAppTitle),
+              content: SizedBox(
+                width: 520,
+                height: 520,
+                child: Column(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    TextField(
+                      controller: searchController,
+                      decoration: InputDecoration(
+                        hintText: l10n.searchApps,
+                        prefixIcon: const Icon(Icons.search),
+                      ),
+                      onChanged: (v) => setState(() => query = v.trim()),
+                    ),
+                    const SizedBox(height: 12),
+                    Expanded(
+                      child: filtered.isEmpty
+                          ? Center(child: Text(l10n.noAppsFound))
+                          : ListView.builder(
+                              itemCount: filtered.length + 1,
+                              itemBuilder: (context, index) {
+                                if (index == 0) {
+                                  final selected = _homeAppPackage == null;
+                                  return ListTile(
+                                    leading: const Icon(Icons.home_outlined),
+                                    title: Text(l10n.launcherDefault),
+                                    trailing: selected ? const Icon(Icons.check) : null,
+                                    onTap: () => Navigator.pop(context, {'packageName': '', 'label': ''}),
+                                  );
+                                }
+                                final app = filtered[index - 1];
+                                final pkg = app['packageName'] ?? '';
+                                final label = app['label'] ?? pkg;
+                                final selected = _homeAppPackage == pkg;
+                                return ListTile(
+                                  title: Text(label),
+                                  subtitle: Text(pkg),
+                                  trailing: selected ? const Icon(Icons.check) : null,
+                                  onTap: () => Navigator.pop(context, {'packageName': pkg, 'label': label}),
+                                );
+                              },
+                            ),
+                    ),
+                  ],
+                ),
+              ),
+              actions: [
+                TextButton(
+                  onPressed: () => Navigator.pop(context, null),
+                  child: Text(l10n.cancel),
+                ),
+              ],
+            );
+          },
+        );
+      },
+    );
+
+    if (!mounted) return;
+    if (result == null) return;
+    final pkg = (result['packageName'] ?? '').trim();
+    final label = (result['label'] ?? '').trim();
+    if (pkg.isEmpty) {
+      await _settingsService.clearHomeAppSelection();
+      if (!mounted) return;
+      setState(() {
+        _homeAppPackage = null;
+        _homeAppLabel = null;
+      });
+      return;
+    }
+    await _settingsService.setHomeAppPackage(pkg);
+    await _settingsService.setHomeAppLabel(label.isEmpty ? pkg : label);
+    if (!mounted) return;
+    setState(() {
+      _homeAppPackage = pkg;
+      _homeAppLabel = label.isEmpty ? pkg : label;
+    });
+  }
+
+  Future<void> _openLauncher() async {
+    final l10n = AppLocalizations.of(context)!;
+    final ok = await _confirmPin();
+    if (!ok) return;
+
+    await _settingsService.setPendingPaymentOrderId(null);
+
+    final pkg = _settingsService.getHomeAppPackage();
+    bool launched = false;
+    if (pkg != null && pkg.isNotEmpty) {
+      launched = await _launcherService.openApp(pkg);
+      if (!launched && mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(l10n.homeAppOpenFailed(pkg))),
+        );
+      }
+    }
+    if (!launched) {
+      await _launcherService.openLauncherHome();
+    }
+
+    if (!mounted) return;
+    Navigator.pop(context, 'reset');
+  }
+
+  Widget _buildLauncherSection() {
+    final l10n = AppLocalizations.of(context)!;
+    final target = _homeAppLabel ?? _homeAppPackage ?? l10n.launcherDefault;
+    return Card(
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          ListTile(
+            leading: const Icon(Icons.home_outlined),
+            title: Text(l10n.openLauncher),
+            subtitle: Text(l10n.launcherTarget(target)),
+            onTap: _openLauncher,
+          ),
+          const Divider(height: 1),
+          ListTile(
+            leading: const Icon(Icons.apps_outlined),
+            title: Text(l10n.homeAppTitle),
+            subtitle: Text(_homeAppLabel ?? _homeAppPackage ?? l10n.homeAppNotSet),
+            onTap: _pickHomeApp,
+          ),
+        ],
+      ),
+    );
+  }
+
   void _onRestoreComplete() {
     if (_showRestoreComplete) return;
     _runRestoreCompleteFlow();
@@ -133,7 +337,12 @@ class _SettingsScreenState extends State<SettingsScreen> {
                             _serverService.port,
                           ),
                         ),
-                        const SizedBox(height: 40),
+                        const SizedBox(height: 24),
+                        ConstrainedBox(
+                          constraints: const BoxConstraints(maxWidth: 520),
+                          child: _buildLauncherSection(),
+                        ),
+                        const SizedBox(height: 16),
                         ElevatedButton(
                           onPressed: () {
                             // Restart server logic or close page
@@ -157,7 +366,12 @@ class _SettingsScreenState extends State<SettingsScreen> {
                           l10n.serverStartFailedMessage,
                           textAlign: TextAlign.center,
                         ),
-                        const SizedBox(height: 30),
+                        const SizedBox(height: 24),
+                        ConstrainedBox(
+                          constraints: const BoxConstraints(maxWidth: 520),
+                          child: _buildLauncherSection(),
+                        ),
+                        const SizedBox(height: 16),
                         ElevatedButton(
                           onPressed: _startServer,
                           child: Text(l10n.retry),
diff --git a/Kiosk/lib/services/android_launcher_service.dart b/Kiosk/lib/services/android_launcher_service.dart
new file mode 100644
index 0000000..d29f24b
--- /dev/null
+++ b/Kiosk/lib/services/android_launcher_service.dart
@@ -0,0 +1,38 @@
+import 'dart:io';
+
+import 'package:flutter/services.dart';
+
+class AndroidLauncherService {
+  static const MethodChannel _methodChannel =
+      MethodChannel('com.secgo.kiosk/notification_listener');
+
+  Future<List<Map<String, String>>> listLaunchableApps() async {
+    if (!Platform.isAndroid) return const [];
+    final data = await _methodChannel
+        .invokeMethod<List>('listLaunchableApps')
+        .then((v) => (v ?? const []).map((e) => Map<String, dynamic>.from(e as Map)).toList());
+    final result = <Map<String, String>>[];
+    for (final e in data) {
+      final pkg = e['packageName']?.toString().trim();
+      final label = e['label']?.toString().trim();
+      if (pkg == null || pkg.isEmpty) continue;
+      result.add({'packageName': pkg, 'label': (label == null || label.isEmpty) ? pkg : label});
+    }
+    return result;
+  }
+
+  Future<bool> openLauncherHome() async {
+    if (!Platform.isAndroid) return false;
+    final ok = await _methodChannel.invokeMethod<bool>('openLauncherHome');
+    return ok ?? false;
+  }
+
+  Future<bool> openApp(String packageName) async {
+    if (!Platform.isAndroid) return false;
+    final ok = await _methodChannel.invokeMethod<bool>(
+      'openApp',
+      {'packageName': packageName},
+    );
+    return ok ?? false;
+  }
+}
diff --git a/Kiosk/lib/services/settings_service.dart b/Kiosk/lib/services/settings_service.dart
index aa0cb0f..a31e22e 100644
--- a/Kiosk/lib/services/settings_service.dart
+++ b/Kiosk/lib/services/settings_service.dart
@@ -8,6 +8,8 @@ class SettingsService {
   static const String _paymentQrKey = 'payment_qr';
   static const String _paymentQrsKey = 'payment_qrs';
   static const String _pendingPaymentOrderIdKey = 'pending_payment_order_id';
+  static const String _homeAppPackageKey = 'home_app_package';
+  static const String _homeAppLabelKey = 'home_app_label';
 
   Future<void> init() async {
     await Hive.openBox(_boxName);
@@ -87,6 +89,47 @@ class SettingsService {
     await _box.put(_pendingPaymentOrderIdKey, id);
   }
 
+  String? getHomeAppPackage() {
+    final v = _box.get(_homeAppPackageKey);
+    if (v is String) {
+      final s = v.trim();
+      return s.isEmpty ? null : s;
+    }
+    return null;
+  }
+
+  Future<void> setHomeAppPackage(String? packageName) async {
+    final v = packageName?.trim();
+    if (v == null || v.isEmpty) {
+      await _box.delete(_homeAppPackageKey);
+      return;
+    }
+    await _box.put(_homeAppPackageKey, v);
+  }
+
+  String? getHomeAppLabel() {
+    final v = _box.get(_homeAppLabelKey);
+    if (v is String) {
+      final s = v.trim();
+      return s.isEmpty ? null : s;
+    }
+    return null;
+  }
+
+  Future<void> setHomeAppLabel(String? label) async {
+    final v = label?.trim();
+    if (v == null || v.isEmpty) {
+      await _box.delete(_homeAppLabelKey);
+      return;
+    }
+    await _box.put(_homeAppLabelKey, v);
+  }
+
+  Future<void> clearHomeAppSelection() async {
+    await _box.delete(_homeAppPackageKey);
+    await _box.delete(_homeAppLabelKey);
+  }
+
 
   Future<String> getOrCreateDeviceId() async {
     final existing = getDeviceId();