In the broadcasting scene, broadcasting specifications using
a second screen have been considered [6,7]. In the
specifications, it is supposed that a second screen is used
mainly as a terminal which provides the viewer with information related to the TV program or a new TV user interface and that the TV communicates with the second screen through a network. Only in augmented TV where even relative position between the TV screen and the mobile device is considered, it is possible to provide a novel representation integrating a TV and a second screen as the essential
components.