If you launch PPSSPP right now, you can perfectly emulate:
If your goal is to play GTA IV on a mobile device, you have more realistic options through different technologies: PC Emulation can you play gta 4 on ppsspp
You cannot play GTA 4 on PPSSPP. Any file claiming to be "GTA 4 for PSP" is a fake, a scam, or a broken mod. Stick to the official PSP titles for the best experience! If you launch PPSSPP right now, you can
PPSSPP is a emulator specifically designed for the PlayStation Portable (PSP) . Its sole function is to run games released for the PSP handheld console. It does not emulate the PlayStation 2, PlayStation 3, or Xbox 360. If you launch PPSSPP right now
No fully playable, legitimate version of GTA 4 exists for PSP or PPSSPP.