Originally Posted by Blossom
Some apps run services in the background. so they stay open. A Task Killer will show you this while Fire's application listing wont. I always ignore the services. The only apps I had trouble closing is Doggcatcher and Mantano but I know how to fix that now.
Ah, it sounds a lot like Windows in that respect. Actually I have been checking with the app killers but not killing. I do seem to have less stuff running in the background. I have decided not to worry about it. It's not a phone. I'm unlikely to need it in an emergency.