The safest and most ethical way to get this file is from a purchased PC version of the game. Open your Steam library .
Open the app on your phone. It will automatically detect the file and load the game. 4. Advanced: Extracting from APKs (Sonic 1, 2, and CD)
Copy your Data.rsdk file from your PC into the RSDK/v5 folder on your Android device.
Right-click , then select Manage > Browse local files . In the folder that opens, locate the file named Data.rsdk . Epic Games Store Version: Open the Epic Games library.