[Skunkworks] Android development resources

I know there are a gazillion android development tutorials out there, but I recently came across a collection of really good ones from Google here http://developer.android.com/training/index.html. What I really liked about it is that the Design<http://developer.android.com/design/index.html>section goes deep into the rationalization behind various UX options, which is pretty good even before one writes a single line of code. Now even noobie Android developers have absolutely NO excuse for producing crappy apps.