, developers were able to "decompile" the game and port it to various older systems, including the PSP. PPSSPP Compatibility
: To use this, you must legally own a copy of Sonic Mania on Steam or another platform to provide the necessary Data.rsdk file. sonic mania ppsspp isoroms android download link
Open the PPSSPP app on Android, navigate to the PSP/GAME/SonicMania directory, and tap the icon to start. Performance and Known Issues , developers were able to "decompile" the game