diff --git a/lib/app/app.locator.dart b/lib/app/app.locator.dart
index ba377dc1..b2b3ecdd 100644
--- a/lib/app/app.locator.dart
+++ b/lib/app/app.locator.dart
@@ -12,6 +12,7 @@ import 'package:stacked_core/stacked_core.dart';
 import 'package:stacked_services/src/navigation/navigation_service.dart';
 
 import '../services/patcher_api.dart';
+import '../ui/views/patcher/patcher_viewmodel.dart';
 
 final locator = StackedLocator.instance;
 
@@ -24,4 +25,5 @@ Future<void> setupLocator(
 // Register dependencies
   locator.registerLazySingleton(() => NavigationService());
   locator.registerLazySingleton(() => PatcherService());
+  locator.registerLazySingleton(() => PatcherViewModel());
 }
diff --git a/lib/main.dart b/lib/main.dart
index 0cf7d953..6db54481 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -51,7 +51,7 @@ class Navigation extends StatelessWidget {
   Widget build(BuildContext context) {
     return ViewModelBuilder<MainViewModel>.reactive(
       viewModelBuilder: () => MainViewModel(),
-      builder: (context, MainViewModel model, child) => Scaffold(
+      builder: (context, model, child) => Scaffold(
         body: getViewForIndex(model.currentIndex),
         bottomNavigationBar: NavigationBar(
           onDestinationSelected: model.setIndex,
diff --git a/lib/services/manager_api.dart b/lib/services/manager_api.dart
index 8fa926d3..068c5423 100644
--- a/lib/services/manager_api.dart
+++ b/lib/services/manager_api.dart
@@ -3,7 +3,7 @@ import 'package:dio/dio.dart';
 import 'package:injectable/injectable.dart';
 import 'package:path_provider/path_provider.dart' as p;
 import 'package:revanced_manager/constants.dart';
-import 'github_api.dart';
+import 'package:revanced_manager/services/github_api.dart';
 
 // use path_provider to get the path of the storage directory
 @lazySingleton
diff --git a/lib/services/patcher_api.dart b/lib/services/patcher_api.dart
index b83a2192..ddd41f47 100644
--- a/lib/services/patcher_api.dart
+++ b/lib/services/patcher_api.dart
@@ -1,21 +1,30 @@
 import 'dart:io';
 import 'package:flutter/services.dart';
 import 'package:flutter_cache_manager/flutter_cache_manager.dart';
+import 'package:injectable/injectable.dart';
 import 'package:installed_apps/app_info.dart';
 import 'package:installed_apps/installed_apps.dart';
 import 'package:revanced_manager/models/patch.dart';
 import 'package:revanced_manager/services/github_api.dart';
 import 'package:revanced_manager/utils/string.dart';
 
+@lazySingleton
 class PatcherService {
-  File? _patchBundleFile;
+  final GithubAPI githubAPI = GithubAPI();
   final List<AppInfo> _filteredPackages = [];
   final Map<String, List<Patch>> _filteredPatches = <String, List<Patch>>{};
-  final GithubAPI githubAPI = GithubAPI();
+  File? _patchBundleFile;
+  String _selectedApp = '';
+  List<Patch> _selectedPatches = [];
   static const platform = MethodChannel('app.revanced/patcher');
-  static final PatcherService _instance = PatcherService.internal();
-  factory PatcherService() => _instance;
-  PatcherService.internal();
+
+  String getSelectedApp() => _selectedApp;
+
+  void setSelectedApp(String app) => _selectedApp = app;
+
+  List<Patch> getSelectedPatches() => _selectedPatches;
+
+  void setSelectedPatches(List<Patch> patches) => _selectedPatches = patches;
 
   Future<void> loadPatches() async {
     if (_patchBundleFile == null) {
diff --git a/lib/ui/views/app_selector/app_selector_view.dart b/lib/ui/views/app_selector/app_selector_view.dart
index d43f8e1e..005e4773 100644
--- a/lib/ui/views/app_selector/app_selector_view.dart
+++ b/lib/ui/views/app_selector/app_selector_view.dart
@@ -1,7 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_i18n/flutter_i18n.dart';
-import 'package:installed_apps/app_info.dart';
-import 'package:installed_apps/installed_apps.dart';
+import 'package:revanced_manager/app/app.locator.dart';
+import 'package:revanced_manager/services/patcher_api.dart';
+import 'package:revanced_manager/ui/views/patcher/patcher_viewmodel.dart';
 import 'package:revanced_manager/ui/widgets/installed_app_item.dart';
 import 'package:revanced_manager/ui/widgets/search_bar.dart';
 import 'package:stacked/stacked.dart';
@@ -15,23 +16,13 @@ class AppSelectorView extends StatefulWidget {
 }
 
 class _AppSelectorViewState extends State<AppSelectorView> {
-  List<AppInfo> apps = [];
+  final PatcherService patcherService = locator<PatcherService>();
   String query = '';
 
-  void getApps() async {
-    apps = await InstalledApps.getInstalledApps(false, true);
-    setState(() {});
-  }
-
-  @override
-  void initState() {
-    getApps();
-    super.initState();
-  }
-
   @override
   Widget build(BuildContext context) {
-    return ViewModelBuilder.reactive(
+    return ViewModelBuilder<AppSelectorViewModel>.reactive(
+      onModelReady: (model) => model.initialise(),
       builder: (context, model, child) => Scaffold(
         body: SafeArea(
           child: Padding(
@@ -51,41 +42,53 @@ class _AppSelectorViewState extends State<AppSelectorView> {
                   },
                 ),
                 if (query.isEmpty || query.length < 2)
-                  apps.isEmpty
+                  model.apps.isEmpty
                       ? const Center(
                           child: CircularProgressIndicator(),
                         )
                       : Expanded(
                           child: ListView.builder(
-                            itemCount: apps.length,
+                            itemCount: model.apps.length,
                             itemBuilder: (context, index) {
                               //sort alphabetically
-                              apps.sort((a, b) => a.name!.compareTo(b.name!));
-                              return InstalledAppItem(
-                                name: apps[index].name!,
-                                pkgName: apps[index].packageName!,
-                                icon: apps[index].icon!,
+                              model.apps
+                                  .sort((a, b) => a.name!.compareTo(b.name!));
+                              return InkWell(
+                                onTap: () {
+                                  patcherService.setSelectedApp(
+                                      model.apps[index].packageName!);
+                                  Navigator.of(context).pop();
+                                  locator<PatcherViewModel>().notifyListeners();
+                                },
+                                child: InstalledAppItem(
+                                  name: model.apps[index].name!,
+                                  pkgName: model.apps[index].packageName!,
+                                  icon: model.apps[index].icon!,
+                                ),
                               );
                             },
                           ),
                         ),
                 if (query.isNotEmpty)
-                  apps.isEmpty
+                  model.apps.isEmpty
                       ? Center(
                           child: I18nText('appSelectorCard.noAppsLabel'),
                         )
                       : Expanded(
                           child: ListView.builder(
-                            itemCount: apps.length,
+                            itemCount: model.apps.length,
                             itemBuilder: (context, index) {
-                              apps.sort((a, b) => a.name!.compareTo(b.name!));
-                              if (apps[index].name!.toLowerCase().contains(
+                              model.apps
+                                  .sort((a, b) => a.name!.compareTo(b.name!));
+                              if (model.apps[index].name!
+                                  .toLowerCase()
+                                  .contains(
                                     query.toLowerCase(),
                                   )) {
                                 return InstalledAppItem(
-                                  name: apps[index].name!,
-                                  pkgName: apps[index].packageName!,
-                                  icon: apps[index].icon!,
+                                  name: model.apps[index].name!,
+                                  pkgName: model.apps[index].packageName!,
+                                  icon: model.apps[index].icon!,
                                 );
                               } else {
                                 return const SizedBox();
diff --git a/lib/ui/views/app_selector/app_selector_viewmodel.dart b/lib/ui/views/app_selector/app_selector_viewmodel.dart
index a2004ba2..46122faa 100644
--- a/lib/ui/views/app_selector/app_selector_viewmodel.dart
+++ b/lib/ui/views/app_selector/app_selector_viewmodel.dart
@@ -1,16 +1,20 @@
 import 'package:installed_apps/app_info.dart';
-import 'package:installed_apps/installed_apps.dart';
+import 'package:revanced_manager/app/app.locator.dart';
+import 'package:revanced_manager/services/patcher_api.dart';
 import 'package:stacked/stacked.dart';
 
 class AppSelectorViewModel extends BaseViewModel {
+  final PatcherService patcherService = locator<PatcherService>();
   List<AppInfo> apps = [];
   String query = '';
 
-  void initialization() {
-    getApps();
+  Future<void> initialise() async {
+    await getApps();
+    notifyListeners();
   }
 
-  void getApps() async {
-    apps = await InstalledApps.getInstalledApps(false, true);
+  Future<void> getApps() async {
+    await patcherService.loadPatches();
+    apps = await patcherService.getFilteredInstalledApps();
   }
 }
diff --git a/lib/ui/views/home/home_view.dart b/lib/ui/views/home/home_view.dart
index 8c084330..6007faf9 100644
--- a/lib/ui/views/home/home_view.dart
+++ b/lib/ui/views/home/home_view.dart
@@ -1,11 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_i18n/flutter_i18n.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:revanced_manager/ui/views/home/home_viewmodel.dart';
 import 'package:revanced_manager/ui/widgets/available_updates_card.dart';
 import 'package:revanced_manager/ui/widgets/installed_apps_card.dart';
 import 'package:revanced_manager/ui/widgets/latest_commit_card.dart';
 import 'package:stacked/stacked.dart';
-import 'home_viewmodel.dart';
 
 class HomeView extends StatelessWidget {
   const HomeView({Key? key}) : super(key: key);
diff --git a/lib/ui/views/patcher/patcher_view.dart b/lib/ui/views/patcher/patcher_view.dart
index ff179133..a744942d 100644
--- a/lib/ui/views/patcher/patcher_view.dart
+++ b/lib/ui/views/patcher/patcher_view.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_i18n/flutter_i18n.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/ui/widgets/app_selector_card.dart';
 import 'package:revanced_manager/ui/widgets/patch_selector_card.dart';
 import 'package:stacked/stacked.dart';
@@ -12,8 +13,8 @@ class PatcherView extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ViewModelBuilder.reactive(
-      builder: (context, PatcherViewModel model, child) => Scaffold(
+    return ViewModelBuilder<PatcherViewModel>.reactive(
+      builder: (context, model, child) => Scaffold(
         floatingActionButton: FloatingActionButton(
           onPressed: () {},
           child: const Icon(
@@ -51,7 +52,7 @@ class PatcherView extends StatelessWidget {
           ),
         ),
       ),
-      viewModelBuilder: () => PatcherViewModel(),
+      viewModelBuilder: () => locator<PatcherViewModel>(),
     );
   }
 }
diff --git a/lib/ui/views/patches_selector/patches_selector_view.dart b/lib/ui/views/patches_selector/patches_selector_view.dart
index 38c83c6d..c17e9a6c 100644
--- a/lib/ui/views/patches_selector/patches_selector_view.dart
+++ b/lib/ui/views/patches_selector/patches_selector_view.dart
@@ -18,9 +18,9 @@ class _PatchesSelectorViewState extends State<PatchesSelectorView> {
 
   @override
   Widget build(BuildContext context) {
-    return ViewModelBuilder.reactive(
+    return ViewModelBuilder<PatchesSelectorViewModel>.reactive(
       viewModelBuilder: () => PatchesSelectorViewModel(),
-      builder: (context, PatchesSelectorViewModel model, child) => Scaffold(
+      builder: (context, model, child) => Scaffold(
         body: Container(
           margin: const EdgeInsets.fromLTRB(6.0, 26.0, 6.0, 0),
           child: Column(
diff --git a/lib/ui/views/patches_selector/patches_selector_viewmodel.dart b/lib/ui/views/patches_selector/patches_selector_viewmodel.dart
index 4c4c3b4f..55ebc41c 100644
--- a/lib/ui/views/patches_selector/patches_selector_viewmodel.dart
+++ b/lib/ui/views/patches_selector/patches_selector_viewmodel.dart
@@ -1,23 +1,21 @@
 import 'package:installed_apps/app_info.dart';
 import 'package:installed_apps/installed_apps.dart';
+import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/models/patch.dart';
 import 'package:revanced_manager/services/patcher_api.dart';
 import 'package:stacked/stacked.dart';
 
 class PatchesSelectorViewModel extends BaseViewModel {
-  PatcherService patcherService = PatcherService();
-  List<Patch>? patches = [];
+  final PatcherService patcherService = locator<PatcherService>();
   AppInfo? appInfo;
 
   Future<void> getApp() async {
     AppInfo app = await InstalledApps.getAppInfo("com.google.android.youtube");
     appInfo = app;
   }
-  Future<List<Patch>?>? getPatches() async {
+
+  Future<List<Patch>?> getPatches() async {
     getApp();
-    PatcherService patcherService = PatcherService();
-    patcherService.loadPatches();
     return patcherService.getFilteredPatches(appInfo);
   }
-
-}
\ No newline at end of file
+}
diff --git a/lib/ui/widgets/app_selector_card.dart b/lib/ui/widgets/app_selector_card.dart
index b1334e1d..89109f09 100644
--- a/lib/ui/widgets/app_selector_card.dart
+++ b/lib/ui/widgets/app_selector_card.dart
@@ -1,15 +1,19 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_i18n/flutter_i18n.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/constants.dart';
+import 'package:revanced_manager/services/patcher_api.dart';
 
 class AppSelectorCard extends StatelessWidget {
   final Function()? onPressed;
-  const AppSelectorCard({
+  AppSelectorCard({
     Key? key,
     this.onPressed,
   }) : super(key: key);
 
+  final PatcherService patcherService = locator<PatcherService>();
+
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
@@ -35,13 +39,18 @@ class AppSelectorCard extends StatelessWidget {
               ),
             ),
             const SizedBox(height: 10),
-            I18nText(
-              'appSelectorCard.widgetSubtitle',
-              child: Text(
-                '',
-                style: robotoTextStyle,
-              ),
-            ),
+            patcherService.getSelectedApp().isNotEmpty
+                ? Text(
+                    patcherService.getSelectedApp(),
+                    style: robotoTextStyle,
+                  )
+                : I18nText(
+                    'appSelectorCard.widgetSubtitle',
+                    child: Text(
+                      '',
+                      style: robotoTextStyle,
+                    ),
+                  ),
           ],
         ),
       ),
diff --git a/lib/ui/widgets/installed_app_item.dart b/lib/ui/widgets/installed_app_item.dart
index 7b6aa3b9..e33b474b 100644
--- a/lib/ui/widgets/installed_app_item.dart
+++ b/lib/ui/widgets/installed_app_item.dart
@@ -23,52 +23,49 @@ class InstalledAppItem extends StatefulWidget {
 class _InstalledAppItemState extends State<InstalledAppItem> {
   @override
   Widget build(BuildContext context) {
-    return InkWell(
-      onTap: () => Navigator.pop(context),
-      child: Padding(
-        padding: const EdgeInsets.symmetric(vertical: 4.0),
-        child: Container(
-          padding: const EdgeInsets.all(12.0),
-          decoration: BoxDecoration(
-            borderRadius: BorderRadius.circular(12),
-            color: const Color(0xff1B222B),
-          ),
-          child: Row(
-            mainAxisAlignment: MainAxisAlignment.spaceBetween,
-            children: [
-              Container(
-                width: 48,
-                height: 48,
-                padding: const EdgeInsets.symmetric(vertical: 4.0),
-                alignment: Alignment.center,
-                child: CircleAvatar(
-                  child: Image.memory(widget.icon),
-                ),
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 4.0),
+      child: Container(
+        padding: const EdgeInsets.all(12.0),
+        decoration: BoxDecoration(
+          borderRadius: BorderRadius.circular(12),
+          color: const Color(0xff1B222B),
+        ),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Container(
+              width: 48,
+              height: 48,
+              padding: const EdgeInsets.symmetric(vertical: 4.0),
+              alignment: Alignment.center,
+              child: CircleAvatar(
+                child: Image.memory(widget.icon),
               ),
-              const SizedBox(width: 12),
-              Expanded(
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    Text(
-                      widget.name,
-                      maxLines: 2,
-                      overflow: TextOverflow.visible,
-                      style: GoogleFonts.inter(
-                        fontSize: 16,
-                        fontWeight: FontWeight.w500,
-                      ),
+            ),
+            const SizedBox(width: 12),
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    widget.name,
+                    maxLines: 2,
+                    overflow: TextOverflow.visible,
+                    style: GoogleFonts.inter(
+                      fontSize: 16,
+                      fontWeight: FontWeight.w500,
                     ),
-                    const SizedBox(height: 4),
-                    Text(
-                      widget.pkgName,
-                      style: robotoTextStyle,
-                    ),
-                  ],
-                ),
+                  ),
+                  const SizedBox(height: 4),
+                  Text(
+                    widget.pkgName,
+                    style: robotoTextStyle,
+                  ),
+                ],
               ),
-            ],
-          ),
+            ),
+          ],
         ),
       ),
     );
diff --git a/lib/ui/widgets/patch_item.dart b/lib/ui/widgets/patch_item.dart
index eed9abbd..b2e2ae3e 100644
--- a/lib/ui/widgets/patch_item.dart
+++ b/lib/ui/widgets/patch_item.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
 
+// ignore: must_be_immutable
 class PatchItem extends StatefulWidget {
   final String name;
   final String description;