A robot apparatus and a method for expressing emotions thereof, the method including determining motor movement information to drive a motor according to the emotional state to be expressed by the electronic device, determining the display position of the image object on the display according to the movement information of the motor, controlling an operation to drive the at least one motor according to the movement information of the motor, and changing the position of the image object displayed on the display in response to the movement of the electronic device driven by the at least one motor based on the determined display position information.
Robot apparatus and method for expressing emotions thereof