Yesterday in California, Google unveiled that it's latest version of Android is to be called Marshmallow.

The operating system, which was first previewed at Google's I/O conference in May, won't be officially launched until the autumn, however it has been released for app developers to get up-to-speed with any changes.   
Marshmallow promises a host of new features for Android lovers, including improvements around app permissions and security; the ability to put you phone into 'doze' mode when the battery is low so it uses signifcantly less power; a vastly improved user interface; and tweaks on tools like volume control and copy and paste.