ro.gfx.driver.0=me.phh.adreno_gfx
ro.hardware.egl=adreno

adb push ... /system/priv-app/gfx.apk

cp llndk.libraries.27.txt llndk.libraries.26.txt
cp vndksp.libraries.27.txt vndksp.libraries.26.txt

rm -Rf *; unzip ../app/build/outputs/apk/debug/app-debug.apk; cp -R ../lib .; rm -f ../unsigned.apk && zip -0 ../unsigned.apk $(find -type f) && zipalign -zvpf 4 ../unsigned.apk ../unsigned-aligned.apk && signapk ../../treble_app/keys/platform.x509.pem ../../treble_app/keys/platform.pk8 ../unsigned-aligned.apk ../signed.apk && adb install -r ../signed.apk

select game driver in developer settings


frameworks/base/core/java/android/os/GraphicsEnvironment.java

```
@@ -718,10 +718,12 @@ public class GraphicsEnvironment {
             // ApplicationInfo from context directly.
             ai = context.getApplicationInfo();
         }
+       /*
         if (ai.isPrivilegedApp() || (ai.isSystemApp() && !ai.isUpdatedSystemApp())) {
-            if (DEBUG) Log.v(TAG, "Ignoring driver package for privileged/non-updated system app.");
+            if (DEBUG) Log.e(TAG, "Ignoring driver package for privileged/non-updated system app.");
             return null;
         }
+       */
 
         final boolean enablePrereleaseDriver =
                 (ai.metaData != null && ai.metaData.getBoolean(METADATA_DEVELOPER_DRIVER_ENABLE))
```