Train multiplication tables up to 25x25. App Functionalities: Train numbers series: Each number series can be selected individually, so meaningful combinations such as 13x6 and 3x6 are possible. Rewards: if 10 calculations are done, the kid may play a MINI-GAME (a simple jump and run game) Store Rewards: To maintain long-term motivation, all achieved points are collected as trophies Additional functions: The app can also be used as CALCULATOR with MULTIPLE CHOICE function (this is possible for all operations as + - x รท)