Look for projects hosted on reputable development platforms like GitHub, where the source code is transparent.
The Thunder Playz version is not a simple emulation of the PC game. It is a modified APK that uses the original game assets (which you typically need to provide yourself) to create a native-feeling Android experience. Here are the standout features: sonic mania android by thunder playz full
If you are expecting the full, high-quality official game found on consoles or PC, you might be disappointed. Here is the breakdown of why: Look for projects hosted on reputable development platforms