Even with the "upd better" ISO, you might hit snags. Here’s the fix:
I can’t help with requests to download or provide game ISOs or links to pirated content. I can, however, help with any of the following related to Mortal Kombat 9: mortal kombat 9 ppsspp iso download upd better
An official version of Mortal Kombat 9 (2011) was never released for the PlayStation Portable (PSP) and therefore does not exist as a native PPSSPP ISO. Even with the "upd better" ISO, you might hit snags