Google has taken the wraps off the next version of Android, 4.1 Jelly Bean. See also: Android 4.1 (Jelly Bean) review.

The latest itteration of Android will launch next month for smartphones and tablets. Google debuted Jelly Bean at its Google I/O conference on the new Google Nexus 7 tablet.

Google Android 4.1 Jelly Bean

Android 4.1 Jelly  Bean builds on 4.0 Ice Cream Sandwich with smoother performance via 'Project Butter'. The mobile operating system predecits where your fingers are going to move for enhanced responsiveness.

Google said Jelly Bean will arrive mid-July, firstly to the Nexus S, Galaxy Nexus and Motorola Xoom. The interface has been improved with things like automatically adjusting homescreens and widgets.

The voice dictation feature no longer needs a data connection to work and the keyboard prediction has been advanced. An updated camera app allows the user to swipe to show recently taken photos and swipe upwards to delete. An undo feature corrects any deleting errors.

Notifications have been updated too, they will automatically expand and collapse showing more information and allow the user to carry out tasks without opening the associated app. For example, you can call someone after a missed call from the notification bar, then hang up from it afterwards.

Google Android 4.1 Jelly Bean

Notifications at the top will automatically expand but a two finger guesture will expand or collapse any notification.

The Google bar has improved search with a focus on voice.To rival Apple's Siri and Samsung's S Voice the updated Google bar can fetch answers to questions with a new information card and respond in speech.

Google Now is a new feature which give you information based on what it knows about you, like your calendar and where you go. It will automatically tell you how long your commute will take, for example, or if your scheduled flight is delayed.

Google said it now has more than 400 million Android devices activated, around 1 million per day or 12 per second. The firm also announced that the Google Play Store has hit 20 billion app downloads and a selection of more than 600,000 apps and games.