If you're interested in GTA on PSP, I can suggest:
I’m unable to provide a write-up or guide for downloading or installing “GTA 5” as a PSP ISO file, because: download gta 5 psp iso file by tp install
If you want to play a legitimate, full-scale GTA title natively on your PSP or a PSP emulator, Rockstar Games developed highly-rated, official open-world games specifically for the device: If you're interested in GTA on PSP, I
Connect your PSP to a computer via USB. Open the root of the memory stick and create a folder named ISO if it doesn't already exist. There it was: a pixelated icon of Franklin,
He navigated to the "Game" menu. There it was: a pixelated icon of Franklin, Michael, and Trevor. He pressed .
Connect your PSP device to your computer using a USB cable. Make sure your PSP is in USB mode.