Using a PSP emulator to play the original NES, SNES, or Game Boy Advance files. Popular Fan-Made "Super Mario" Games for PSP
It is important to discuss the legal gray area of downloading ISOs and ROMs. Super Mario Psp Iso
Dedicated fans have created "homebrew" games from scratch that run on PSP custom firmware. These are original games that use Mario assets. Super Mario Bros. PSP Using a PSP emulator to play the original