The files often labeled "highly compressed MK11 ISO" are typically of older PSP titles, such as Mortal Kombat: Unchained (a port of Deception ). These mods use custom texture packs and save data to make the older game's interface and character skins resemble Mortal Kombat 11. Essential Requirements for Android Emulation
If you want a portable Mortal Kombat experience, there are safer, official, and high-quality alternatives available. mortal kombat 11 ppsspp iso for android highly compressed