by Martin Kratky
Download this app if: you want to stimulate your mind with mathematics.
This application is a set of logic, math, geometry, number, matchstick and other types of brain teasers that require logical thinking.
All the puzzles and riddles are available in English, Russian, Chinese, Czech and Slovak language.
Sample brain teaser:
There are three switches downstairs....
Logical — I got a slew of challenging puzzles when I downloaded the free Brain Teasers app. If you have a mathematical mind (or want to try and build one up), grab this one.