Android Studio 2.2 has been unveiled, and it brings with it numerous changes, with Google saying the new version focuses on "speed, smarts, and Android… ...

A brief introduction to Firebase - a powerful platform to enable the rapid development of web enabled apps. Includes a basic authentication tutorial.

Android Wear, TV, and Auto received a bit of attention — and each had their own breakout sessions and areas at the show — but a lot of the focus was on developer tools.

In some ways, we saw two different Googles on display at the company's I/O developer conference in Mountain View, which opened yesterday.