1. A method of a mobile terminal, the method comprising: displaying a perceived three dimensional (3D) image on a display; receiving first visual data of an indicator from at least one camera; displaying a perceived 3D pointer in the displayed 3D image based on the received first visual data of the indicator; receiving second visual data of the indicator from the at least one camera; and changing a position of the displayed 3D pointer on the display based on the received second visual data.