MentalCalcOX app for iPhone and iPad
4.8 (
6048 ratings )
Games
Education
Educational
Developer: yunsang lee
Free
Current version: 1.007, last update: 7 years agoFirst release : 14 Mar 2017
App size: 20.51 Mb
If you fix your problem with OX, remove the red ball, and survive the blue ball to challenge the higher level.