An apparatus and method for display and control of video data on a mobile device provides simultaneous multiple video data display of groups of video sources and selection of video data for single, larger viewing. Control of the camera source of the video data is provided for the mobile device user, such as by manipulation of a multi-touch sensitive screen to pan, tilt and zoom. Image capture from the video screen and marking of the captured image is provided. Activation of video data streams and groups of video data streams for display on the mobile device is provided by transfer of activation information to the mobile device via email. Notification of events monitored by the video source or by other sensors is sent to users of the mobile devices.