Great Android Apps: Maths Genius

MathTapper - Best Mobile Arcade Math Game

Maths Games: A simple app for Kids and all ages to Learn & Test Math Skills

Psycho Math Android Game App Review

Mathgames.com - great resource for free math games and skill practice (can create worksheets as well

Math Genius Test for iPad by BitKnights

PlayShifu Plugo Count (Kit + App) : Educational Math Toy complete setup install and review

PizzaMath - Top Fun Android Games on Google Play - Math Learning made Fun and Easy