BBC News : Why Android is Hardwork And Why Apps Come To iPhone First.
"Believe it or not, we started work on the iPlayer radio app for Android on the same day as the one for the iPhone, but we're still resolving a number of issues. Background audio, for example. When you leave the app you want the Today programme to keep on running. That worked out of the box on Apple, but not on Android, and we're just getting there now. Read the full BBC Answers about Android to get a great overview of problems of developing for a device fragmented market.