Small game for real mathematicians. The authors have managed to combine the classic puzzle game Mahjong and training program. It is necessary to look at the same picture, and the sum of the two numbers. top of the screen you will see what kind of bag you will search by adding the numbers on the game board tiles. Dial as many points and show their numeracy! Shumujong, math puzzle game, mental math, numeracy, brain teaser, Mahjong, puzzle game, calculation, arithmetic, cognitive training, mobile game, desktop game, number game, problem solving, mathematical skills, logic game, strategic thinking, education game, challenging game, fun game.