Google Duo is a Application which is used for Video calling.Google Duo is useful app for Video Calling.Clear Video Quality and Streaming very Fast.Simply to Sign in which is too good.you have to fill your mobile number on it simply singn in.Its a Google product usually its come with Google producted mobiles.and nowdays its comes with some mobiles.
I have using this application and believe me it’s quality is too good.Its only synchronising with your contact added numbers and who already joined this application it will show automatically thats person infomation for calling.
Desing and Concept is so Simple Which helps to access easily.You can set your profile picture on it.and easily to call anybody.it working so good and Google Duo is Simply a Good application for Video calling.I have using this application and I like it so much and I recommended to use it. : )