Flash maths is clone game of Freaking maths – Over million download around the world and it is still increasing!
Can make money after do a customize in 5 min
Check on Google Play
https://play.google.com/store/apps/details?id=com.bangdev.freakingmath (Original App)
Check on itune
https://itunes.apple.com/us/app/flash-maths/id926706578?mt=8