Google has officially launched Android ^[1] 2.2 aka Froyo at the Google I/O conference. The newest Android version has a 2 to 5 times speed improvement over Android 2.1 and also has a new just-in-time compiler.

Froyo is the predecessor of Eclair and includes new enterprise features, better email support and Exchange integration and new backup apps for the device which will allow users to transfer data to a new device.

In addition to the changes, Froyo also add WiFi tethering to the devices making it easier to share the mobile internet connection with other devices. Android 2.2 also has a new JavaScript engine for the Android browser, making it one of the world’s fastest web browser, just like Google Chrome ^[2].

With Froyo out of the way, Google will now start working on Android 3.0 aka Ginger ^[3]. Here’s looking to great developments in mobile browser with it.

Update: The Google Blog has made an official announcement of Android 2.2 Froyo, you can see the announcement here ^[4]. You can also find all the details in Android 2.2 at the Android Developer Blog post here ^[5].

(Source ^[6])