

It works with your address book rather than having to make a call through a separate app.

There is also a “Knock Knock” feature that allows you to see the caller before you answer.

With the market already saturated with similar services, it will be interesting to see whether Google will be able to get this one to stick. The app only supports video calls between two people and does little else. This latest offer from the tech giant is focused on simplicity. Google rolled out its latest app on Tuesday-a video calling service called “ Duo.” Strangely enough, it is completely separate from Google’s other communication services including Hangouts, which already supports video calls.
