I've been using BitcoinSpinner for a while now and like it quite a bit. I think I've read through most of this thread, so I apologize if I missed the answer to this: What happens if the backend server goes away? Can I still retrieve my coins somehow?

If the answer is no, then the one feature I'd like to request is the ability to change the backend server that the app connects to (and if a special backend server is needed, can that software be open sourced?). In the event that you and/or your server go away, I would hate to loose access to whatever coins I have stored in my wallet. Would something like that even be possible?