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… ...

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.