LinkSprite CuHead WiFi Shield enables WiFi controllable Robot

The following video demos a linksprite cuhead wifi shield a WiFi robot that can be controlled by iPad:

Hi Rocky!

How did you create the iPad app? Native, making use of Sockets to control the WiFi-enabled arduino via TCP/IP or UDP? i'd really like to know!! because i'm desperately looking for a way to let arduino communicate with an iDevice!