Podotree has released Cube Dog, a new interactive 3D toy pet for the iPhone and iPod touch. Designed to take advantage of the iPhone and iPod touch hardware capabilities, Cube Dog lets users create their own digital pet customized with unique animations and interactions. Users create their own unique Cube Dog by customizing its color, nose, eyes, ears, feet, body and head from over 1.3 million possible combinations and can then visit the playroom…