I'm wondering about the stability of the phone after an app crashes. Is it necessary or useful to restart the phone after an app crashes? I had a situation yesterday where an app quit back to the main screen. A couple hours later, I noticed my phone was quite warm and my battery was down about 30% or so. I restarted the phone and it was back to normal. I figured the app crash had left some thread running that was sucking up some heavy processor cycles or something like that. Does that make sense?