Mortal Kombat 9 (2011) was for the PlayStation Portable (PSP) and, therefore, does not have a native ISO file for the PPSSPP emulator . The game was released on PlayStation 3, Xbox 360, PC, and PlayStation Vita.
If you find a patch or update, the process to apply it can vary: mortal kombat 9 ppsspp iso download upd better
(MK9) only appeared on PS3, Xbox 360, PC, and PS Vita, modders transformed the older PSP game, , to look like MK9. never officially released Mortal Kombat 9 (2011) was
: This collection includes the original MK1, MK2, and MK3 and runs natively on the PSP/PPSSPP. and PS Vita