Here is a demo created for the COLTRAM kick-off meeting. There is an audio commentary in the video.

The “TV” (left window) receives apps and dispatches them to one or more discovered devices. A part of the app remains on TV and communicates with the parts sent to other devices.

TV and other devices are all simulated by a GPAC browser instance running on the same PC.
[youtube]https://www.youtube.com/watch?v=iEnamtRCpDs[/youtube]

And a few precisions:
[youtube]https://www.youtube.com/watch?v=8G5_GlGXJLY[/youtube]