iPhone "Math App" Design & Graphics Package

This is what a business in United States was looking for in their app design

I have a very basic math iPhone app targeted towards young children. I need a fun and artistic design for the app. It is currently a simple 3 screen application. It is currently using basic controls to perform the functions, and alert dialog boxes to indicate correct or incorrect responses. I need to replace those with something fun, or, have a new design proposed that is far better, but still keeps the application easy for children to do simple math problems. The design needs to be something that keeps them interested and wanting to keep playing and striving to get the "next correct answer and receive an award or reward".

Unfortunately the app doesn't have a name, and our name of "Math App" isn't all that fun. Please suggest something.

Currently its a simple 3 screen application and works as follows:
First screen (setup):
- Choose problem type. Addition, Subtraction, Multiplication or Division, or a mixture or addition/subtraction, or a mixture multiplicatio… Read more