What these videos actually showcase are for existing PSP games. Here is how the illusion works:

is a high-end title designed for next-gen consoles like PlayStation 5 and Xbox Series X/S, it cannot run natively on a PSP emulator. What you will find online are:

As of now, playing the official . It is a case of wishful thinking fueled by clickbait mod videos. The only way to legally play GTA 6 upon its release will be on a PlayStation 5, Xbox Series X/S, or a high-end PC.

PPSSPP GTA 6: The Ultimate Guide to Fan Mods and Realistic Expectations

is a highly ambitious project with a reported budget of $1 to $2 billion . It requires modern hardware like the PS5's high-speed SSD and advanced GPU, which the PSP/PPSSPP cannot replicate.