There is a genuine PSP homebrew game called Mario Kart Portable (or Mario Kart R ). It’s a fan game with original tracks and sprites, but it looks nothing like MK8 Deluxe. Some repackagers rename it and add fake MK8 screenshots.
The appeal of playing a high-definition, AAA Nintendo title like Mario Kart 8 Deluxe on a mobile phone is undeniable. With the processing power of modern Android devices rivaling previous-generation consoles, gamers are constantly searching for ways to play their favorite Switch titles on the go—without carrying a separate handheld.
Although official development has ceased, many forks like Eden Android continue to optimize performance for this specific game.