Always use the Data.rsdk file from a copy of the game you legally own on Steam.
This project is a fan-made port. To stay on the right side of the law and protect your device: sonic mania android by thunder playz new
Unlike a laggy emulator, this is a native port. It uses the actual game assets and logic to run directly on the Android hardware, resulting in: 60 FPS gameplay on most modern devices. Widescreen support that fits mobile displays. Native touch controls and gamepad compatibility. Always use the Data