Finally, testing of Android O, which began in March 2017, has come to an end. The new operating system from Google has been officially unveiled. As expected, it was called Oreo, in the cookie-cutter part.The operating system boasts a number of improvements. Thus, Android Oreo minimizes any activity in the background, which is extremely positive for the power consumption. In addition, according to the developers, the new mobile OS loads twice as fast and boasts faster performance. Of course, Android 8.0 also boasts a number of interesting innovations. The operating system has gained support for Picture-in-Picture mode, the ability to group notifications by "channel" and the Notifications Dots feature. The latter allows you to view notifications from a particular application without launching it, by long pressing on its shortcut. In addition, the developers have finalized the function Smart Text Selection with the use of neural networks. The operating system will now automatically recognize names, addresses and phone numbers when you double or long press on the text and will automatically select the desired section.For many, the key question in choosing an operating system is its safety. And here the developers have introduced something new. A new feature, Google Play Protect, will scan applications and the system itself to combat all types of threats even more effectively. It can also be used to find a lost gadget.Other changes and innovations include auto-complete logins and passwords, Instant Apps support, which allows you to run applications without installing them, adaptive shortcuts, and the introduction of over six dozen new emoji. Pixel, Pixel C, Nexus 5X/6P and Nexus Player users will start getting the Android 8.0 Oreo update very soon. Owners of other mobile devices will be able to try the novelty from Google a little later.