Math Game Zoo app for iPhone and iPad

I development this my game for my son, My son 6 years old, nearly a year, every night will learn to math. Some time ago, I gave my son a cell phone, his son is very fond of listening to music to play games, so I had the idea that the game can help his son to improve learning math, in one fell swoop.

Game features:
1, the game has plus, multiply, times, divide, and mixing, and a total of 7 mode, more difficult to score is also higher;
2, the game does not have any charges, 100% free;
3, the game provides daily scores of statistical functions, can be counted on the day of the right and wrong topic, can also score total daily statistics;
4, the game is suitable for 5-8 years old, kindergarten and primary school children.
5, the game to the zoo as the theme, you can let the children prefer.