This all seems very over the top for what you're trying to achieve - since there are much simpler solutions out there. BTW, a much better approach than Samsung Dex was Microsoft's Continuum. It, unfortunately, did not catch on in the consumer space (nor will Dex); and, thus, has been relegated to niche business use.
I see where you're going with the end concept; but, it is highly unlikely (if not impossible) that such an approach would ever be broadly accepted and implemented in any typical user environment - it's essentially the same management/implementation problem as existing solutions - you're just moving the burden to another portion of the process with no real advantage.
