Use a file extractor app like or RAR .
In 2020, the source code for Sonic Mania was unofficially reverse-engineered (decompiled). This allowed modders to port the game to various platforms, including the PSP. The result is a custom EBOOT file (PSP executable) that reads the official game assets.
Most players find that emulating a PSP homebrew build is the least efficient way to play on Android. Here are the "top" recommended methods: Ease of Use If you have a Netflix subscription, you can download " Sonic Mania Plus " directly from the Google Play Store . Android Decomp Port Performance
It captures the 16-bit aesthetic perfectly on mobile screens.