An information processing terminal functions as an operator of an image forming apparatus. The information processing terminal includes a display device for displaying a screen; a generator for generating a system home screen; a generator for generating an extended function screen; a display screen setter for setting the screen to be displayed on the operator according to an operation performed with respect to a predetermined icon included in the screen displayed on the display device, wherein the system home screen is set as an initial value; a switcher for switching the set screen; a determiner for determining the set screen according to the operation; and a display controller for displaying, on the display device, the extended function screen together with an icon for displaying the system home screen, upon determining that the extended function screen is set by the display screen setter.