I would like to recommend you an application with large number of downloaders. 20,000+ users downloaded False Math latest version on 9Apps for free every week! You get various free apps from the store. This hot app was released on 2018-04-26. Be sure that you check your current app before you start a run.
A game that will test your math skills.
1.0 Release of the game
9Apps 4.9
