To summarize your keyword query :
Mortal Kombat 11 was never officially released for the Sony PlayStation Portable (PSP). Because the PSP hardware is significantly older than the systems that run MK11 (PS4, Xbox One, PC), a direct ISO file of the original game does not exist for the PPSSPP emulator. To summarize your keyword query : Mortal Kombat
: Only run files ending in .iso or .cso . Never install an .apk or .exe thinking it is a PSP game. If you'd like to proceed, I can help you: Find the best settings for your specific phone model. To summarize your keyword query : Mortal Kombat
: Most downloads come with a "Save Data" folder that unlocks all characters and stages immediately. How to Install MK11 PPSSPP ISO To summarize your keyword query : Mortal Kombat