Here's a funny one!
Judit Polgar's ChessPlayground (iPad, $2.99)
Their description:
Play your way to creative thinking!
Learn to play chess from the most successful female player of all time.
Judit Polgar: Chessplayground
This unique application is an excellent tool for skill-development - a great activity for kids and their parents.
Over 100 educational and entertaining exercises in a nine-episode cartoon series!
Our society is increasingly knowledge-based; analytical thinking and problem solving are crucial to future success. Your children can hone these skills in an entertaining way - while playing chess!
In this application, Judit Polgar, the greatest female chess player of all time, introduces the secrets of chess, step by step. Apart from being the number-one woman chess player for the last 20 years, Judit is the mother of two children, Oliver and Hanna, and she knows that kids learn best when learning is fun!
Chessplayground, a new application by NeoPlay Content, presents the game of chess in a fresh and engaging way.
•Striking visuals make the chess pieces come alive
•Each chess piece has a unique personality, easy for kids to identify with
•Each animated cartoon is followed by interactive exercises. To reach the next level, you have to complete all of them
•At the end, 64 bonus exercises await you
Chessplayground is a great stepping-stone toward both independent learning and social chess games.
What’s YOUR score in Judit Polgar’s school of chess?
Enjoy the game with the world's best female chess player:
Some screenshots:

That's Judit allright!

Eh, that's a girl's app, there's a pony!

When do we actually play chess, Judit?

There maybe? On a 5x5 board?
I didn't buy the app, so I can't give a personal point of view. Any volunteer?
The app is quite big (609 MB). Maybe there's some video content...
iTunes link.