Yes, but not on PPSSPP. To play the real God of War: Ascension (the PS3 game), you must use a PS3 emulator for Android. Currently, PS3 emulation on Android is very experimental and requires an extremely high-end phone (like the latest Snapdragon 8 Gen series) to run at playable framerates.
Assuming you acquire the correct PSP ISO ( Chains or Sparta ), here is the setup guide:
It is important to clarify that God of War: Ascension was never officially released for the PlayStation Portable (PSP). Because it was built exclusively for the PlayStation 3
PPSSPP ISO - Highly Compressed for Android/iOS " on various third-party sites. However, please be aware that God of War: Ascension
: If available, verify the ISO file's integrity using MD5 checksum tools to ensure it wasn't corrupted during the download.
