a mobile terminal including a housing having a front surface , a back surface and lateral surfaces ; a display disposed on the front surface of the housing and configured to display information and a selectable item for executing an application on the mobile terminal when the selectable item is selected ; a physical key button disposed on the front surface of the housing , the physical key button configured to receive an input ; a communication unit configured to wirelessly communicate with an external terminal ; and a control unit configured to control the external terminal to display an image of the mobile terminal on a display of the external terminal , when the communication unit is wirelessly communicating with the external terminal . further , the control unit is further configured to control the external terminal not to display information output by the application executed on the mobile terminal when an input signal requests the information not be displayed and to display the information output by the application executed on the mobile terminal when the input signal requests the information be displayed .