No, you cannot play the original Grand Theft Auto IV (GTA 4) on the PPSSPP emulator.
The Trap
The internet, as usual, had answers. The search results were flooded with YouTube thumbnails screaming "GTA 4 ON ANDROID 100% WORKING!" and websites promising a highly compressed 200MB ISO file of GTA 4.
- The Hardware Gap: PPSSPP is designed to emulate the PlayStation Portable (PSP). The PSP was a handheld console released in 2004. It had 32MB of RAM.
- The Requirements: Grand Theft Auto IV was released in 2008 for the PlayStation 3 and Xbox 360. It requires gigabytes of RAM and powerful processors to render the complex physics, lighting, and AI of Liberty City.
What PPSSPP Cannot Do:
He quickly learned the fundamental rule of emulation: Emulators are console-specific, not game-specific.