Technically, the PPSSPP emulator is designed for PSP games like God of War: Chains of Olympus and God of War: Ghost of Sparta . Because God of War 2 is a PS2 title, "highly compressed" versions typically shrink the original 4GB–6GB file down to roughly using formats like .7z or .RAR. How to Play God of War 2 on Android
"Highly compressed" versions often use advanced compression formats to reduce the initial download size, making them easier to download on slower connections. God Of War 2 Highly Compressed For Android Ppsspp
Use the CSO version. The loading difference is negligible on modern phones (UFS 2.1 or 3.1 storage), and you save nearly a gigabyte of space. Technically, the PPSSPP emulator is designed for PSP
Use an app like ZArchiver to extract the .7z or .zip file. You should be left with an .ISO or .CSO file. Use the CSO version