Microsoft WP7s have been a little bit behind the game with this but the video below certainly shows that its in the works and its multitasking support looks pretty decent too.
Here are the keys things that many of us have noticed. If you navigate away from an application and come back, the application will not only pick up where it left off, but it will do it quickly and efficiently.
Pressing and holding the back button launches the UI, though we did not see a demo of killing apps.
More in the video clip, caught below…