A host device includes: a scroll display processing section which moves and serially displays, in a predetermined area of a setting screen, expanded function icons indicating respective plural expanded functions which are available when a printing process is executed; a switching icon determination section which specifies the reference number of the expanded function icon which has reached a display type switching means which is a predetermined position or a position specified by an input by the user; and a display type switching section which switches the display type of the expanded function icon corresponding to the reference number specified by the switching icon determination section. With this, it is possible to provide an information processing device which moves and serially displays plural icons, and to display an eye-friendly setting screen.