Short Answer: You cannot download a "GTA 5 ZIP file" for PPSSPP on Android. Grand Theft Auto V was never released for the PSP (PlayStation Portable) . Any website claiming to offer a PPSSPP-compatible GTA 5 ROM is either misleading you or distributing malware.
However, if you are looking for that do work perfectly on PPSSPP for Android, this guide will show you the real options, safe download sources, and how to set them up. Why There Is No GTA 5 for PPSSPP | Game | Platform | Playable on PPSSPP? | |------|----------|---------------------| | GTA V | PS3, PS4, Xbox, PC | ❌ No | | GTA IV | PS3, Xbox, PC | ❌ No | | GTA: Vice City Stories | PSP | ✅ Yes | | GTA: Liberty City Stories | PSP | ✅ Yes | | GTA: Chinatown Wars | PSP | ✅ Yes | ppsspp gta 5 zip file download android