Robot Bear is a social robot platform controlled by Android OS. It has 8 motors (head, eyebrow, hand, leg movements). It uses eyebrow to express feeling to the user, such as happiness, sadness and anger. It also comes with Face tracking capability to keep eye contact with the user. With Android OS, it can use the built-in TTS to talk to user and help user to gather information from the Internet.
Please check out the demonstration here: