App: Math Brain Puzzle
Developer: Van Hung Pham
Genres: Games, Puzzle

Math Brain Puzzle is a math game, more about login, available games are:
+ Pyramid
+ Mental math
+ Guess the number
 and many different games, games that increase sharp thinking ability, all for free
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Release notes: