You can play other beat ‘em ups on your PSP or Android via PPSSPP. Try these native PSP games which offer a similar vibe:
PSP ISO files are digital copies of UMD discs. The legal status depends on how you obtain and use them: castle crashers psp iso upd
Running a non-native game through an emulator can sometimes be tricky. Here are some common problems and solutions: You can play other beat ‘em ups on
To set up PPSSPP: