A user terminal device includes a communicator configure to communicate with an external device; a touchscreen configured to display an image and to receive a touch input; and a controller configured to control the touchscreen to display an image received from the external device through the communicator, to control the touchscreen to display a first indicator associated with an object included in the displayed image, in response to the touch input being detected on the image displayed on the touchscreen, the first indicator being displayed at a point where the touch input is detected, and to control the communicator to transmit data related to the first indicator to the external device, the data comprising information to be used by the external device in determining a position of a second indicator to be included in an image displayed in the external device.