Digital Signage

Digital signage -- we need the ability to do the following :- 1. Should be able to select a screen layout from the library. We can have one big area that fills the whole screen, or divide the screen into zones. 2. We can drag-and-drop applications to display for each area on the screen. Changes should take effect immediately. 3. There should be some built in templates for the screens. The templates should be customizable 4. Should support HTML5, Flash and HD Videos