Add about activity.

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app/src/normal/AndroidManifest.xml

@@ -5,15 +5,17 @@
 
     <application android:icon="@drawable/love">
         <activity
-            android:name="org.love2d.android.MainActivity"
+            android:name=".MainActivity"
             android:exported="true"
-            android:launchMode="singleTask">
+            android:launchMode="singleTask"
+            android:theme="@style/Theme.AppCompat">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <!-- Important: Do not change the activity class name! !-->
+        <!-- Important: Do not change the activity class name for GameActivity!! -->
         <activity
             android:name="org.love2d.android.GameActivity"
             android:exported="false"
@@ -23,5 +25,11 @@
                 <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".AboutActivity"
+            android:exported="false"
+            android:parentActivityName=".MainActivity"
+            android:theme="@style/Theme.AppCompat" />
     </application>
-</manifest>
+
+</manifest>

app/src/normal/java/org/love2d/android/AboutActivity.java

@@ -0,0 +1,30 @@
+package org.love2d.android;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class AboutActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_about);
+
+        // Set button click listener
+        Button button = findViewById(R.id.button);
+        button.setOnClickListener(v -> {
+            Uri uri = Uri.parse("https://love2d.org/");
+            Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+            startActivity(intent);
+        });
+
+        // Set version
+        TextView versionText = findViewById(R.id.textView4);
+        versionText.setText(getString(R.string.version_info, BuildConfig.VERSION_NAME));
+    }
+}

app/src/normal/res/layout/activity_about.xml

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="8dp"
+    tools:context=".AboutActivity">
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_percent="0.35" />
+
+    <ImageView
+        android:id="@+id/imageView2"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginBottom="8dp"
+        android:adjustViewBounds="true"
+        app:layout_constraintBottom_toTopOf="@+id/guideline1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHeight_max="160dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="1.0"
+        app:srcCompat="@drawable/love" />
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:text="LÖVE for Android"
+        android:textSize="29sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/guideline1" />
+
+    <TextView
+        android:id="@+id/textView4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="@string/version_info"
+        android:textSize="24sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView3" />
+
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:gravity="center"
+        android:text="@string/copyright"
+        android:textSize="18sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView4" />
+
+    <TextView
+        android:id="@+id/textView7"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:gravity="center"
+        android:text="@string/disclaimer"
+        android:textSize="18sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView5" />
+
+    <Button
+        android:id="@+id/button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:text="@string/official_website"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView7" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1 +1,6 @@
-<resources></resources>
+<resources>
+    <string name="version_info">Version %1$s</string>
+    <string name="copyright">Copyright © 2006–2022 LÖVE Development Team</string>
+    <string name="disclaimer">This software is provided \'as-is\', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.</string>
+    <string name="official_website">Official Website</string>
+</resources>