Children's Mental Puzzle Game app for iPhone and iPad

This is a mental arithmetic puzzle game for children,its as simple as to choose the answer of the rapid calculation(addition,subtraction,multiplication or division).When the answer is correct,the launcher will receive a bullet and actively attact the monsters.When the answer is incorrect you will lose the HP (HIT Point).Even though the game doesnt set up time restriction,but when the launcher lost all the HPs the game would be over.With the flexible timing the game is even more challenging and entertaining.The scope of the operation can be ranged from 0-5 to 0-900 based on various requests.You can set the calculation form,such as setting with addition and subtraction,multiplication and division,or mix up together in order to better train the childrens mental arithmetic operation speed.