diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index 8377968..f70a53e 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 }
 
 android {
-    namespace = "com.derkauzigekoala.hwhub"
+    namespace = "com.dltw.derkauzigekoala.hwhub"
     compileSdk = flutter.compileSdkVersion
     ndkVersion = flutter.ndkVersion
 
@@ -21,7 +21,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId = "com.derkauzigekoala.hwhub"
+        applicationId = "com.dltw.derkauzigekoala.hwhub"
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = flutter.minSdkVersion
diff --git a/android/app/src/main/kotlin/com/derkauzigekoala/hwhub/MainActivity.kt b/android/app/src/main/kotlin/com/dltw/derkauzigekoala/hwhub/MainActivity.kt
similarity index 70%
rename from android/app/src/main/kotlin/com/derkauzigekoala/hwhub/MainActivity.kt
rename to android/app/src/main/kotlin/com/dltw/derkauzigekoala/hwhub/MainActivity.kt
index b6bc733..4745079 100644
--- a/android/app/src/main/kotlin/com/derkauzigekoala/hwhub/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/dltw/derkauzigekoala/hwhub/MainActivity.kt
@@ -1,4 +1,4 @@
-package com.derkauzigekoala.hwhub
+package com.dltw.derkauzigekoala.hwhub
 
 import io.flutter.embedding.android.FlutterActivity
 
diff --git a/flutter_01.png b/flutter_01.png
new file mode 100644
index 0000000..40efc80
Binary files /dev/null and b/flutter_01.png differ
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 94423af..bbc2b70 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -372,7 +372,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
@@ -388,7 +388,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -405,7 +405,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
@@ -420,7 +420,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
@@ -551,7 +551,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -573,7 +573,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
diff --git a/lib/screens/about_screen.dart b/lib/screens/about_screen.dart
index 75726b1..1890f57 100644
--- a/lib/screens/about_screen.dart
+++ b/lib/screens/about_screen.dart
@@ -33,7 +33,6 @@ class _AboutScreenState extends State<AboutScreen> {
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
-    final isDark = theme.brightness == Brightness.dark;
     final version = _packageInfo != null
         ? 'v${_packageInfo!.version} (${_packageInfo!.buildNumber})'
         : '…';
diff --git a/lib/screens/home_shell.dart b/lib/screens/home_shell.dart
index 22d4a2b..1a0590e 100644
--- a/lib/screens/home_shell.dart
+++ b/lib/screens/home_shell.dart
@@ -14,19 +14,22 @@ class HomeShell extends StatefulWidget {
 class _HomeShellState extends State<HomeShell> {
   int _currentIndex = 0;
   final _collectionsKey = GlobalKey<CollectionsScreenState>();
+  final _scanKey = GlobalKey<ScanTabState>();
 
   late final List<Widget> _pages = <Widget>[
     CollectionsScreen(key: _collectionsKey),
-    const ScanTab(),
+    ScanTab(key: _scanKey),
     const ProfileScreen(),
   ];
 
   void _onTabSelected(int i) {
     setState(() => _currentIndex = i);
-    // Refresh collections whenever user switches to it.
     if (i == 0) {
       _collectionsKey.currentState?.refresh();
     }
+    if (i == 1) {
+      _scanKey.currentState?.refresh();
+    }
   }
 
   @override
diff --git a/lib/screens/scan_tab.dart b/lib/screens/scan_tab.dart
index feaf62c..812ffb2 100644
--- a/lib/screens/scan_tab.dart
+++ b/lib/screens/scan_tab.dart
@@ -13,10 +13,10 @@ class ScanTab extends StatefulWidget {
   const ScanTab({super.key});
 
   @override
-  State<ScanTab> createState() => _ScanTabState();
+  State<ScanTab> createState() => ScanTabState();
 }
 
-class _ScanTabState extends State<ScanTab> {
+class ScanTabState extends State<ScanTab> {
   bool _isBusy = false;
   List<Collection> _collections = [];
   Collection? _selectedCollection;
@@ -28,6 +28,9 @@ class _ScanTabState extends State<ScanTab> {
     _loadCollections();
   }
 
+  /// Public so HomeShell can trigger a refresh when switching to this tab.
+  void refresh() => _loadCollections();
+
   Future<void> _loadCollections() async {
     try {
       final list = await CollectionService.getMyCollections();
@@ -552,7 +555,7 @@ class _AddCarDialogState extends State<_AddCarDialog> {
                   height: 18,
                   child: CircularProgressIndicator(strokeWidth: 2),
                 )
-              : const Text('Add to Collection'),
+              : const Text('Add'),
         ),
       ],
     );
diff --git a/linux/CMakeLists.txt b/linux/CMakeLists.txt
index fbfbf4e..b46c0a5 100644
--- a/linux/CMakeLists.txt
+++ b/linux/CMakeLists.txt
@@ -7,7 +7,7 @@ project(runner LANGUAGES CXX)
 set(BINARY_NAME "hwhub")
 # The unique GTK application identifier for this application. See:
 # https://wiki.gnome.org/HowDoI/ChooseApplicationID
-set(APPLICATION_ID "com.derkauzigekoala.hwhub")
+set(APPLICATION_ID "com.dltw.derkauzigekoala.hwhub")
 
 # Explicitly opt in to modern CMake behaviors to avoid warnings with recent
 # versions of CMake.
diff --git a/macos/Runner.xcodeproj/project.pbxproj b/macos/Runner.xcodeproj/project.pbxproj
index 0f8f2ed..a582a12 100644
--- a/macos/Runner.xcodeproj/project.pbxproj
+++ b/macos/Runner.xcodeproj/project.pbxproj
@@ -385,7 +385,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/hwhub.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/hwhub";
@@ -399,7 +399,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/hwhub.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/hwhub";
@@ -413,7 +413,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/hwhub.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/hwhub";
diff --git a/macos/Runner/Configs/AppInfo.xcconfig b/macos/Runner/Configs/AppInfo.xcconfig
index bf0dd59..db314bd 100644
--- a/macos/Runner/Configs/AppInfo.xcconfig
+++ b/macos/Runner/Configs/AppInfo.xcconfig
@@ -8,7 +8,7 @@
 PRODUCT_NAME = hwhub
 
 // The application's bundle identifier
-PRODUCT_BUNDLE_IDENTIFIER = com.derkauzigekoala.hwhub
+PRODUCT_BUNDLE_IDENTIFIER = com.dltw.derkauzigekoala.hwhub
 
 // The copyright displayed in application information
 PRODUCT_COPYRIGHT = Copyright © 2026 com.example. All rights reserved.