Off (or set to 1 if your device experiences heavy lag).
This is where the game shines. It utilizes a "Multidirectional Combat System."
Obtain a legitimate file from your own console and load it into the emulator. Obtain your original Mortal Kombat: Shaolin Monks PS2 ISO.
If the game lags, reduce the rendering resolution and disable shaders in the PPSSPP settings.
Fast-paced action with over-the-top brutal moves.