: Nintendo has only released Mario Kart 8 Deluxe for the Nintendo Switch . There is no official PlayStation port.
Downloading Mario Kart 8 Deluxe for PSP enters a legally dubious space. Even if a user owns a physical copy of the game for the Switch, converting it to run on a PSP would require reverse engineering and circumventing encryption (a violation of the Digital Millennium Copyright Act in the US). Distributing that modified file is copyright infringement. mario kart 8 deluxe psp download upd
Some sites claim you need a special "Switch-to-PSP" emulator, which is a technical impossibility. Conclusion : Nintendo has only released Mario Kart 8