Sumthing (Math Game) в Android Market

Sumthing (Math Game) (v. 1.3) Разработано Anyvue

Improve your math skills and train your brain with Sumthing - the new number game for android where  you write answers directly on the screen using only your fingers (no keyboard needed!).

Features three different modes:
- Sum it quickly
- What the X
- Practice

You can even choose the number and difficulty of questions.