Mortal Kombat 9 (2011) was for the Sony PSP. While many sites claim to offer an ISO download for the PPSSPP emulator, these files are typically fan-made "ISO Mods" based on the 2006 game Mortal Kombat: Unchained . Deep Review of the "MK9 PPSSPP" ISO
Official development of Mortal Kombat 9 (2011) never included a release for the PlayStation Portable (PSP). It was released only for the PlayStation 3, Xbox 360, PC, and PlayStation Vita. Mortal Kombat 9 (2011) was for the Sony PSP
To ensure you get the best "highly compressed" experience without frame drops, adjust these settings in PPSSPP: Mortal Kombat 9 (2011) was for the Sony PSP
: You need the Mortal Kombat: Unchained ISO file. This is the official PSP game that the mod builds upon. Mortal Kombat 9 (2011) was for the Sony PSP