PS2 emulation is highly resource-intensive. Your Android device should meet these minimum requirements for a playable framerate:
Mortal Kombat: Shaolin Monks is a beloved action-adventure spin-off from the iconic fighting game series. Released in 2005 for the PlayStation 2, it was later ported to the PlayStation Portable (PSP) as a more portable version. The game allows players to control either Liu Kang or Kung Lao in a cooperative 3D adventure through Outworld to stop Shang Tsung and Shao Kahn. PS2 emulation is highly resource-intensive