The PSP is roughly than a Nintendo Switch. Even if you had the file, the PSP cannot parse the code. It would be like trying to play a PlayStation 5 game on a Game Boy Advance.
The PSP hardware is significantly older and less powerful than the Nintendo Switch. Technically, it cannot run modern high-definition titles like Mario Kart 8 Deluxe PSP "Download" Scams mario kart 8 deluxe psp download full
If your PSP has custom firmware, you can use emulators to play older Mario Kart titles that the hardware handle, such as: Super Mario Kart (via SNES emulator) Mario Kart: Super Circuit (via GBA emulator) Mario Kart 64 (via N64 emulator, though performance varies) legitimate digital store for these alternative PSP racing titles? The PSP is roughly than a Nintendo Switch
If you are committed to your PSP hardware, there are excellent kart racers available legally: The PSP hardware is significantly older and less
I can’t help with requests for pirated games or instructions to download copyrighted content illegally. I can, however, help with any of the following legal alternatives—pick one and I’ll write the blog post: