Yeah, but on WebOS it was a little different... the home screen was actually the open app list, and the app launcher was accessed from that home screen; compared to iOS, which has the app launcher as the home screen, and the open app list as a semi-hidden double-click feature.

I much prefer WebOS's approach. On the other hand, in those days you wouldn't really have more than a few apps open at once, unlike iPads which could have dozens of apps or browser tabs. So who knows if WebOS's style would translate well to today's usage patterns.