. The PPSSPP app emulates the PlayStation Portable (PSP), a console that was never powerful enough to run a game of GTA 5's scale.
The closest you can get is GTA V Mod for PPSSPP – a fan-made patch applied to GTA: Vice City Stories . This gives you GTA V-style radar, character skins (e.g., Franklin as the protagonist), vehicle models (Buffalo, Adder), and weapons.
This is the trickiest part. Search for on reputable modding forums like GBAtemp or The Tech Game . Avoid .exe files – mods for PPSSPP are always .zip or .rar containing .ppsspp textures or /PSP/GAME/ folders.
Since a native PPSSPP ISO is impossible, modern players use these legitimate methods instead:
If you want to use the PPSSPP emulator specifically, play the excellent games built for that system.
Download the official PPSSPP app from the Google Play Store.