Elephant Steady, a stabilizer for iPhone, might be one that fits the criteria. It cleverly uses the sensors of the iPhone to control its motor to stabilize it..
Tag: Gizmon
Disguise Your iPhone with Gizmon iCA Camera Casing
This Gizmon iCA iPhone camera casing might be the ultimate one that I have seen. Made of 32 polycarbonate parts, the casing can mount conversion..