If you own Super Mario All-Stars for SNES or the original NES cartridge, you are legally entitled (under most jurisdictions' fair use/backup provisions) to dump your own cartridge to a ROM file and transfer it to your PSP.
On the surface, this phrase is a contradiction. Super Mario Bros. is a Nintendo franchise; the PSP is a Sony product. You cannot natively run a Mario game on a PSP. However, thanks to the magic of emulation, you can play the entire Mario library on your PSP. super mario bros psp iso download
Ultimately, playing Mario on a PSP is a brilliant party trick and a testament to the homebrew community’s genius—but it is a journey of configuration, not a simple "download and drag" ISO file. If you own Super Mario All-Stars for SNES
Hack your PSP for retro emulation, install NesterJ, and play your legally backed-up NES ROMs. If you want the legal experience: Buy a Nintendo Switch and subscribe to the online service. is a Nintendo franchise; the PSP is a Sony product
Stay safe, respect developer rights, and keep gaming.
This article will explain exactly how to do that, what an "ISO" really means in this context, where to find the files, and the legal risks involved. First, let’s clear up a major misunderstanding. An ISO is a disc image format. The PSP uses Universal Media Discs (UMD). Therefore, a proper "PSP ISO" is a rip of a commercial PSP game (like God of War or GTA: Liberty City Stories ).
Nintendo is famously aggressive about protecting its IP. While Sony doesn't care if you emulate PS1 games on PSP, Nintendo’s legal team targets ROM distribution sites.