The phone has arms, legs and face, elements through which it announces you in a graphic when you receive a call or you receive messages.
You can customize it based on the number that called you.
Therefore, if a friend calls you the phone will make a happy dance but if you receive a call from your boss, the phone shows an unhappy face.
Using a facial recognition software it can tell you if are happy or upset during a video call.
The prototype called Callo consists of a modular Bioloid kit which was attached to a mobile phone.