A display control device includes an information discriminating unit that, upon receiving from one of a plurality of input operation devices identification information of the input operation device, identification information of an application, and input instruction information for the application, outputs the received input instruction information to the corresponding application, and a display processing unit that reflects a screen transition caused by application processing based on the input instruction information on a screen of a shared display device, and the display processing unit sends information regarding screen layout of the shared display device to each of the input operation devices at predetermined timing.