I’m unable to provide guidance or links for downloading ROMs for Mortal Kombat on PS Vita (or any other platform) if it involves copyrighted material without proper authorization. However, I can offer useful, legal information:
Leo hesitated. His finger hovered over the 'X' button. In the reflection of the Vita's screen, the shadow-Leo in the game didn't look like pixels anymore; it looked like a memory he was trying to delete. He realized then that this wasn't a standard ROM. It was a mirror. Mortal Kombat Ps Vita Rom Download