Android Oreo by Google

Android Oreo released by Google

It adds a new "picture-in-picture" mode that lets some apps run in a small corner of the screen.

Google's own Nexus and Pixel phones are expected to be the first to receive the software update.

New versions of Android can be slow to roll out, and just 14% of Android devices run the previous OS, Nougat.

Android Oreo introduces measures to help people manage the volume of notifications on their devices, which has been described as "notification diarrhoea".