diff --git a/demo/Semi.Avalonia.Demo.Android/Application.cs b/demo/Semi.Avalonia.Demo.Android/Application.cs
new file mode 100644
index 0000000..611e568
--- /dev/null
+++ b/demo/Semi.Avalonia.Demo.Android/Application.cs
@@ -0,0 +1,20 @@
+using Android.App;
+using Android.Runtime;
+using Avalonia;
+using Avalonia.Android;
+
+namespace Semi.Avalonia.Demo.Android;
+
+[Application]
+public class Application : AvaloniaAndroidApplication<App>
+{
+    protected Application(nint javaReference, JniHandleOwnership transfer) : base(javaReference, transfer)
+    {
+    }
+
+    protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
+    {
+        return base.CustomizeAppBuilder(builder)
+            .WithSourceHanSansCNFont();
+    }
+}
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo.Android/MainActivity.cs b/demo/Semi.Avalonia.Demo.Android/MainActivity.cs
index ce98e89..0bf0b35 100644
--- a/demo/Semi.Avalonia.Demo.Android/MainActivity.cs
+++ b/demo/Semi.Avalonia.Demo.Android/MainActivity.cs
@@ -1,6 +1,5 @@
 using Android.App;
 using Android.Content.PM;
-using Avalonia;
 using Avalonia.Android;
 
 namespace Semi.Avalonia.Demo.Android;
@@ -12,11 +11,4 @@ namespace Semi.Avalonia.Demo.Android;
     MainLauncher = true,
     LaunchMode = LaunchMode.SingleTop,
     ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize | ConfigChanges.UiMode)]
-public class MainActivity : AvaloniaMainActivity
-{
-    protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
-    {
-        return base.CustomizeAppBuilder(builder)
-            .WithSourceHanSansCNFont();
-    }
-}
\ No newline at end of file
+public class MainActivity : AvaloniaMainActivity;
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj b/demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj
index ef02e0c..c65aded 100644
--- a/demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj
+++ b/demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj
@@ -2,7 +2,7 @@
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>net10.0-android</TargetFramework>
-        <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion>23</SupportedOSPlatformVersion>
         <Nullable>enable</Nullable>
         <ApplicationId>com.irihitech.Semi.Avalonia</ApplicationId>
         <ApplicationVersion>1</ApplicationVersion>
@@ -13,6 +13,12 @@
         <RootNamespace>Semi.Avalonia.Demo.Android</RootNamespace>
     </PropertyGroup>
 
+    <!-- Use CoreCLR on Android -->
+    <PropertyGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">
+        <UseMonoRuntime>false</UseMonoRuntime>
+        <PublishReadyToRun>true</PublishReadyToRun>
+    </PropertyGroup>
+
     <ItemGroup>
         <AndroidResource Include="Icon.png" Link="Resources\drawable\Icon.png"/>
         <AvaloniaResource Include="..\Fonts\*" Link="Assets\Fonts\%(Filename)%(Extension)" />