Even if a hacked ISO existed, the PPSSPP emulator simulates PSP hardware, which is fundamentally limited:
Since you can't play Mortal Kombat 9 , here are some excellent official MK titles available for the PSP: mortal kombat 9 ppsspp iso download free for android isoroms
This guide explores the world of PSP emulation, how to get Mortal Kombat running on your Android device, and why it remains a favorite among mobile fighting game enthusiasts. What is Mortal Kombat 9 (MK9)? Even if a hacked ISO existed, the PPSSPP