This is not actually GTA San Andreas. It is usually or GTA Vice City Stories (which are naturally smaller PSP games) modified with a "skin."

The PPSSPP emulator provides a touch-based control scheme that mimics the PSP's layout, which many find more intuitive than the official mobile ports. How to Install GTA San Andreas on PPSSPP

The long answer involves "Rip" culture. When gamers search for , they are looking for a "Ripped" or "Compressed" version of the PlayStation Portable (PSP) spin-off titled Grand Theft Auto: Liberty City Stories or Vice City Stories —confused with San Andreas—or a highly stripped-down beta mod.

: "Highly compressed" files around 100MB are often used to attract downloads but may be incomplete or contain bugs.