Look for "God of War 2 ISO Zip" (files around 200MB are common).
God of War 2 was originally a PlayStation 2 game. The PSP version does not exist. What’s commonly labeled “God of War 2 PPSSPP” is actually: god of war 2 highly compressed for android ppsspp better
While "highly compressed" versions of are often sought for Android, it is important to clarify that God of War II Look for "God of War 2 ISO Zip"