In the Vita3K settings, ensure "Double Buffering" and "GPU Mapping" are configured to match your device's power. Use a Controller:

While touch controls work, the Vita’s heavy use of rear-touch and triggers makes a Bluetooth controller (like a Backbone or Xbox controller) a much better experience. Final Thoughts

Further research and development are needed to improve the compatibility, performance, and stability of PS Vita BIOS on Android. This may involve:

Once you have installed the Vita3K APK on your Android phone, follow these steps to initialize it:

Because they are copyrighted by Sony Interactive Entertainment. Distributing these files without permission is illegal. Therefore, emulator developers require you to dump your own BIOS/firmware from a console you legally own.