The Android back button works exactly the way it should. For example, if you go to Gmail from Twitter and press back, I DO want to go back to Twitter, not to my

The Android back button works exactly the way it should. For example, if you go to Gmail from Twitter and press back, I DO want to go back to Twitter, not to my inbox. But you're right, there isn't a good way to go to an app's home screen if you enter from a specific activity. That's something that needs to be looked at, but not at the expense of changing the excellent back button functionality.