It's a decent environment, is easy to get set up and get going, and works on Linux, Mac, and Windows.
The Google guys definitely 'get' how to push their stuff - from day 1, they have had a bunch of guys on #android on Freenode to help people out and answer questions.
Qt is supposed to be pretty nice (I've never used it though), and C++ is certainly popular, but both will require some adaptation to the mobile phone world, and that will take time.