Instead of risky downloads, you can play GTA 5 on your mobile device through authorized services: Cloud Gaming : Services like Xbox Cloud Gaming
a password, forcing you to complete surveys or click dangerous links to get it. Authentic Alternatives for Mobile
The PPSSPP is a highly sophisticated emulator designed to play PlayStation Portable games on modern hardware. Because GTA V was never released for the PSP, any file claiming to be a direct port is fundamentally misleading. Most of these files are actually heavily modified versions of older titles, such as Grand Theft Auto: Liberty City Stories or Vice City Stories. These mods use "textures" and "skins" to mimic the look of GTA V, but they cannot replicate the advanced mechanics, physics, or the massive map of the original Rockstar Games masterpiece.
If you want to play the actual GTA V on a mobile device, you generally must use cloud gaming or PC streaming services rather than a PSP emulator: Steam Link / PS Remote Play