To simultaneously achieve the ease of selecting application icons and enhance viewability, thereby enhancing operability.

An application icon display method setting part 1006 sets icons to be displayed in fixed positions for some of a plurality of applications including an application that functionally enhances an image processor. When an application icon list display part 1005 arranges and displays a list of a plurality of icons that correspond to a plurality of applications being executed or executable and that can indicate either the start or switch of the applications, if the icons cannot be displayed on one screen, the icons of the applications set to be displayed in fixed positions are displayed in fixed positions in a way that prevents scrolling. The display of the icons of the applications not set to be displayed in fixed positions is controlled in a way that allows scrolling.