If you see websites offering a "verified" .apk or .zip file for "Mortal Kombat: Shaolin Monks Android," these are often misleading and frequently contain only walkthrough guides harmful software

AetherSX2 (safe) + Your own PS2 disc dump (legal) + Bluetooth controller = Authentic Shaolin Monks on Android.

You will also need a PS2 BIOS file to make the emulator run. The Setup: