For video calling Google Duo has already appeared in the Play Store
In may, the event Google I/O, the search giant, among other things, presented a program Duo, which is designed for video calls. It has one curious feature in the form of the Knock Knock feature, which allows the subscriber receiving the call in advance to see what is happening on the other side. And without that too many unsatisfied mobile version of Skype and too little from her alternatives, so new Google could gain popularity.
Be that as it may, today the company starts the distribution of this program. As always, not everyone will be able to download the app in the first day. But the Duo has already appeared in the Google Play Store and there you can leave the application.
Google notes that the software is optimized for networks with low data rate. In addition, when switching between Wi-Fi and 3G/4G, the call will not be interrupted. You can also select data encryption.