In order to perform control to optimize a display area during the execution of application software, the cellular phone 1 according to the present invention communicates with an application software distribution apparatus for distributing application software and is characterized by comprising a display unit 5 that includes a display screen 51 and serves to display information on the display screen 51; a wireless unit 7 for receiving, from the application software distribution apparatus, application software, and attribute data that indicates an assumed display area that is to be used as a display area during execution of the application software; and a control unit 2 for controlling the display area of the application software in the display screen 51 of the display 5 on the basis of the attribute data received by the wireless unit 7 and displayable area data that indicates the displayable area of the display screen 51.