Android Pie: Slicing up Google's new features

Android Pie - the ninth version of Google's mobile operating system - has launched.

It introduces several features designed to encourage owners to moderate their use of their smartphones, including a new greyscale mode that kicks in at night.

The chief of the firm's London engineering team, Andrei Popescu, showed off this and other innovations to the BBC's Leo Kelion.

6 August 2018