Free Math Games for everyone from kids to adults. Best maths practice game to train your brain & is designed for all ages including kids, girls and boys, adults including parents and grandparents.
Demo: https://codecanyon.net/item/ultimate-maths-quiz-brain-challenge-with-admob-ready-to-publish/27491473
source http://www.codelist.cc/mobile/241483-ultimate-maths-quiz-v10-brain-challenge-with-admob-ready-to-publish.html