<p>In one embodiment, a tiled video display is shown on a screen of a display device. The tiled video display includes a plurality of video tiles that each show video content of a different video stream. The video tiles are arranged on the screen according to a tiling layout. A user interface (UI) is shown on a touch sensitive screen of a wireless mobile device separate from the display device. The UI includes a plurality of UI tiles that each correspond to a respective video tile of the tiled video display. The UI tiles are arranged on the virtual display screen according to the tiling layout of the video tiles. In response to a gesture over at least a portion of a particular one of the UI tiles on the touch sensitive screen, a modification is made to both the particular UI tile and a correspond video tile.</p>
