If you have a PSP with Custom Firmware (6.60 PRO-C recommended), follow these steps:
In the PSP modding community, the term refers to a disc image of a UMD (Universal Media Disc). These are full, playable copies of commercial PSP games (e.g., God of War: Chains of Olympus or Grand Theft Auto: Vice City Stories ). Since Nintendo has never published a game on a Sony console, no "Super Mario PSP ISO" exists in the traditional sense. Super Mario Iso Psp