"There has to be a way," he muttered to himself.

God of War 4 is a PlayStation 4/PC title with high-end graphics that far exceed the capabilities of the PSP. Therefore, it cannot run on PPSSPP The "Mediafire" Scams:

If you want to experience the brutal combat of the God of War series on your mobile phone, you have several highly effective, legitimate options available today. Option 1: Emulate the Authentic PSP Titles (Via PPSSPP)

Below is a comprehensive guide to understanding what is available, how to avoid scams, and how to set up the authentic PSP God of War games on your phone. The Truth About "God of War 4" on PPSSPP

Set to Off or 1 if your phone is budget-tier.

PPSSPP is a PSP (PlayStation Portable) emulator. Sony’s PSP was discontinued in 2014. It was never capable of running PS4 or PS5 games. God of War 4 (2018) was built for the PS4 and PC. The hardware demands are astronomical compared to what a PSP could handle.