it's not user friendly, and from what I know it's impossible to have applications working in the background so the app would be useless.
i can't imagine what would happen if Nokia expected every user out there to swtich states on their own! Fail, that what would happen. It's not a laptop...it shouldn't behave like one.
N95 had also some battery problems and were fixed with a later update. If there are indeed any problems, Probably Apple will fix them too.