Mr Ninja is an Android app developed by Lion Studios (1100 Page Mill RoadPalo Alto, CA 94304). Others apps created by Lion Studios are: Prank Master 3D, Papers Grade, Please!, Mr Bullet, The Superhero League, Yes or No?!, Tile Garden.

Mr Ninja first became available on 16 Mar 2020. It is estimated that Mr Ninja has been downloaded between 10000000 and 50000000 times from the Play Store.