You should not think so http://www.youtube.com/watch?v=XAwmW6_G0TM

Yep, you are reminding me about PalmOS. Heh, my Palm T|X is much more comfortable to use then n810...

Anyway, you are talking about new Window Manager. It's possible and Mitrandir (Telescope creator) thought about it other day. It's difficult, but it is possible. If he will go on with creating WM - i think he will use your ideas in this project...
I will send him the link to this post.