In a mobile phone remotely operating an information device, a communication unit receives information displayed on the information device. A display device displays a part of the information. A plurality of operation buttons respectively inputs an operation signal. A display control unit divides a screen of the display device into a plurality of cells, discriminately displays each of the plurality of cells on the screen, and displays a cursor on the screen. The cursor overlaps the part of the information on the screen. An operation control unit moves the cursor on one of the cells on the screen in response to the operation signal.