exclusive. There is no official port or UMD for the PSP. However, because of the PSP's legendary homebrew scene, you aren't completely out of luck. Mario Kart PSP (Homebrew) There is a long-standing fan-made project simply called Mario Kart PSP What it is:
Let’s be perfectly clear. None. Not an official port, not a ROM hack, not a “converted” file. The PSP was discontinued in 2014, while Mario Kart 8 Deluxe launched on the Nintendo Switch in 2017. mario kart 8 deluxe psp download new
If you have a hacked PSP (running custom firmware), you can use emulators like RetroArch. exclusive
If you want, I can:
To put it bluntly: