Downloads labeled as "MK11 for PPSSPP" are typically fan-made texture mods Mortal Kombat Unchained (the only MK game ever officially released for PSP). Softonic Disclaimer:

was never released for PSP, so it cannot run on PPSSPP (a PSP emulator). The last Mortal Kombat game for PSP was Mortal Kombat: Unchained (a port of Deception ).

Below is the information regarding these downloads and the official Android alternatives available on 📥 Descargar Mortal Kombat 11 (Opciones y Mods) MORTAL KOMBAT: The Ultimate Fighting Game : This is the official Android version available for download on Softonic Android

Official versions of are not natively available for the PPSSPP emulator because it was never released for the PlayStation Portable (PSP) hardware.