While you may see many "MK9 PPSSPP" downloads online, these are almost always of an older title. If you want to play the true Mortal Kombat (2011) on your phone today, you actually have better options than a PSP emulator. 1. What is the "Mortal Kombat 9 PPSSPP" ISO?
For the actual Mortal Kombat 9 experience (including Story Mode and X-Rays), use the Vita3K emulator instead of PPSSPP. mortal kombat 9 ppsspp iso download upd better
For a true next-gen look: