fix: Features list format, remove multi-lang from welcome, add release signing

Author: risunCode

app/build.gradle.kts

@@ -17,10 +17,22 @@ android {
         versionName = "1.0.0"
     }
 
+    signingConfigs {
+        create("release") {
+            // For CI/CD, use environment variables or keystore file
+            // For local builds, use debug signing
+            storeFile = file("${System.getProperty("user.home")}/.android/debug.keystore")
+            storePassword = "android"
+            keyAlias = "androiddebugkey"
+            keyPassword = "android"
+        }
+    }
+    
     buildTypes {
         release {
             isMinifyEnabled = true
             isShrinkResources = true
+            signingConfig = signingConfigs.getByName("release")
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"

app/src/main/java/com/appcontrolx/ui/MainActivity.kt

@@ -56,9 +56,8 @@ class MainActivity : AppCompatActivity() {
             |• Batch operations with progress
             |• Activity Launcher
             |• Action Logs with rollback
-            |• Status filter (Running/Stopped/Frozen/Restricted)
+            |• Status filter
             |• Dark/Light theme
-            |• Multi-language (EN/ID)
         """.trimMargin()
 
         MaterialAlertDialogBuilder(this)

app/src/main/res/values/strings.xml

@@ -208,7 +208,7 @@
     <string name="about_version_format">Version %1$s (%2$d)</string>
     <string name="about_features_title">Features</string>
     <string name="about_features_list">• Freeze/Unfreeze apps (disable without uninstall)\n• Force stop running apps\n• Restrict background activity\n• Batch operations on multiple apps\n• System app protection\n• Rollback with state snapshots\n• Root and Shizuku support\n• Material You design</string>
-    <string name="about_features_short">Freeze/Unfreeze • Force Stop • Restrict Background • Clear Cache/Data • Batch Operations • Activity Launcher • Action Logs • Root &amp; Shizuku</string>
+    <string name="about_features_short">• Freeze/Unfreeze apps\n• Force Stop\n• Restrict/Allow Background\n• Clear Cache/Data\n• Batch Operations\n• Activity Launcher\n• Action Logs with Rollback\n• Root &amp; Shizuku support</string>
     <string name="about_system_title">Device Info</string>
     <string name="about_device">Device</string>
     <string name="about_device_format">%1$s %2$s</string>