diff --git a/osu.Android/OsuGameActivity.cs b/osu.Android/OsuGameActivity.cs
index fec96c9165..c9fb539d8a 100644
--- a/osu.Android/OsuGameActivity.cs
+++ b/osu.Android/OsuGameActivity.cs
@@ -17,7 +17,7 @@
 
 namespace osu.Android
 {
-    [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.FullUser, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize, HardwareAccelerated = false, LaunchMode = LaunchMode.SingleInstance, Exported = true)]
+    [Activity(ConfigurationChanges = DEFAULT_CONFIG_CHANGES, Exported = true, LaunchMode = DEFAULT_LAUNCH_MODE, MainLauncher = true, ScreenOrientation = ScreenOrientation.FullUser)]
     [IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryDefault }, DataScheme = "content", DataPathPattern = ".*\\\\.osz", DataHost = "*", DataMimeType = "*/*")]
     [IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryDefault }, DataScheme = "content", DataPathPattern = ".*\\\\.osk", DataHost = "*", DataMimeType = "*/*")]
     [IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryDefault }, DataScheme = "content", DataPathPattern = ".*\\\\.osr", DataHost = "*", DataMimeType = "*/*")]
@@ -47,11 +47,6 @@ public class OsuGameActivity : AndroidGameActivity
 
         protected override void OnCreate(Bundle savedInstanceState)
         {
-            // The default current directory on android is '/'.
-            // On some devices '/' maps to the app data directory. On others it maps to the root of the internal storage.
-            // In order to have a consistent current directory on all devices the full path of the app data directory is set as the current directory.
-            System.Environment.CurrentDirectory = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
-
             base.OnCreate(savedInstanceState);
 
             // OnNewIntent() only fires for an activity if it's *re-launched* while it's on top of the activity stack.
diff --git a/osu.Android/Properties/AndroidManifest.xml b/osu.Android/Properties/AndroidManifest.xml
index e717bab310..165a64a424 100644
--- a/osu.Android/Properties/AndroidManifest.xml
+++ b/osu.Android/Properties/AndroidManifest.xml
@@ -1,11 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" package="sh.ppy.osulazer" android:installLocation="auto" android:versionName="0.1.0">
 	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="29" />
-	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-	<uses-permission android:name="android.permission.WAKE_LOCK" />
-	<uses-permission android:name="android.permission.READ_FRAME_BUFFER" />
-	<uses-permission android:name="android.permission.INTERNET" />
-	<uses-permission android:name="android.permission.BATTERY_STATS" />
 	<application android:allowBackup="true" android:supportsRtl="true" android:label="osu!" android:icon="@drawable/lazer" />
 </manifest>
\ No newline at end of file
diff --git a/osu.Android/Properties/AssemblyInfo.cs b/osu.Android/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000000..c0ba324d6e
--- /dev/null
+++ b/osu.Android/Properties/AssemblyInfo.cs
@@ -0,0 +1,8 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Android;
+using Android.App;
+
+// used for AndroidBatteryInfo
+[assembly: UsesPermission(Manifest.Permission.BatteryStats)]
diff --git a/osu.Android/osu.Android.csproj b/osu.Android/osu.Android.csproj
index b2599535ae..fc50ca9fa1 100644
--- a/osu.Android/osu.Android.csproj
+++ b/osu.Android/osu.Android.csproj
@@ -29,6 +29,7 @@
     <Compile Include="GameplayScreenRotationLocker.cs" />
     <Compile Include="OsuGameActivity.cs" />
     <Compile Include="OsuGameAndroid.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Properties\AndroidManifest.xml" />
diff --git a/osu.Game.Rulesets.Catch.Tests.Android/MainActivity.cs b/osu.Game.Rulesets.Catch.Tests.Android/MainActivity.cs
index d918305f3d..d8b729576d 100644
--- a/osu.Game.Rulesets.Catch.Tests.Android/MainActivity.cs
+++ b/osu.Game.Rulesets.Catch.Tests.Android/MainActivity.cs
@@ -2,13 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Android.App;
-using Android.Content.PM;
 using osu.Framework.Android;
 using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Catch.Tests.Android
 {
-    [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.SensorLandscape, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize)]
+    [Activity(ConfigurationChanges = DEFAULT_CONFIG_CHANGES, Exported = true, LaunchMode = DEFAULT_LAUNCH_MODE, MainLauncher = true)]
     public class MainActivity : AndroidGameActivity
     {
         protected override Framework.Game CreateGame() => new OsuTestBrowser();
diff --git a/osu.Game.Rulesets.Mania.Tests.Android/MainActivity.cs b/osu.Game.Rulesets.Mania.Tests.Android/MainActivity.cs
index 0a3f05ae54..518071fd49 100644
--- a/osu.Game.Rulesets.Mania.Tests.Android/MainActivity.cs
+++ b/osu.Game.Rulesets.Mania.Tests.Android/MainActivity.cs
@@ -2,13 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Android.App;
-using Android.Content.PM;
 using osu.Framework.Android;
 using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Mania.Tests.Android
 {
-    [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.SensorLandscape, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize)]
+    [Activity(ConfigurationChanges = DEFAULT_CONFIG_CHANGES, Exported = true, LaunchMode = DEFAULT_LAUNCH_MODE, MainLauncher = true)]
     public class MainActivity : AndroidGameActivity
     {
         protected override Framework.Game CreateGame() => new OsuTestBrowser();
diff --git a/osu.Game.Rulesets.Osu.Tests.Android/MainActivity.cs b/osu.Game.Rulesets.Osu.Tests.Android/MainActivity.cs
index e6c508d99e..46c60f06a5 100644
--- a/osu.Game.Rulesets.Osu.Tests.Android/MainActivity.cs
+++ b/osu.Game.Rulesets.Osu.Tests.Android/MainActivity.cs
@@ -2,13 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Android.App;
-using Android.Content.PM;
 using osu.Framework.Android;
 using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Osu.Tests.Android
 {
-    [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.SensorLandscape, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize)]
+    [Activity(ConfigurationChanges = DEFAULT_CONFIG_CHANGES, Exported = true, LaunchMode = DEFAULT_LAUNCH_MODE, MainLauncher = true)]
     public class MainActivity : AndroidGameActivity
     {
         protected override Framework.Game CreateGame() => new OsuTestBrowser();
diff --git a/osu.Game.Rulesets.Taiko.Tests.Android/MainActivity.cs b/osu.Game.Rulesets.Taiko.Tests.Android/MainActivity.cs
index 1128a0d37f..e4f4bbfd53 100644
--- a/osu.Game.Rulesets.Taiko.Tests.Android/MainActivity.cs
+++ b/osu.Game.Rulesets.Taiko.Tests.Android/MainActivity.cs
@@ -2,13 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Android.App;
-using Android.Content.PM;
 using osu.Framework.Android;
 using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Taiko.Tests.Android
 {
-    [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.SensorLandscape, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize)]
+    [Activity(ConfigurationChanges = DEFAULT_CONFIG_CHANGES, Exported = true, LaunchMode = DEFAULT_LAUNCH_MODE, MainLauncher = true)]
     public class MainActivity : AndroidGameActivity
     {
         protected override Framework.Game CreateGame() => new OsuTestBrowser();
diff --git a/osu.Game.Tests.Android/MainActivity.cs b/osu.Game.Tests.Android/MainActivity.cs
index 0695c8e37b..dbe74a10da 100644
--- a/osu.Game.Tests.Android/MainActivity.cs
+++ b/osu.Game.Tests.Android/MainActivity.cs
@@ -2,12 +2,11 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Android.App;
-using Android.Content.PM;
 using osu.Framework.Android;
 
 namespace osu.Game.Tests.Android
 {
-    [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.SensorLandscape, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize, HardwareAccelerated = true)]
+    [Activity(ConfigurationChanges = DEFAULT_CONFIG_CHANGES, Exported = true, LaunchMode = DEFAULT_LAUNCH_MODE, MainLauncher = true)]
     public class MainActivity : AndroidGameActivity
     {
         protected override Framework.Game CreateGame() => new OsuTestBrowser();