I found the site by way of an @AndroidDev tweet [1], and I was incredibly frustrated. Their old documentation [2] was completely useless, and this is even worse. Am I supposed to purchase and learn proprietary design tools to develop an effective Android app? This turns me off to the platform as a whole.

[1]: https://twitter.com/#!/AndroidDev/status/157570583800971264

[2]: http://developer.android.com/guide/practices/ui_guidelines/i...