Tango is one of the best apps for video call and chats for free. The only register first and then you able to use the app only you have a better net connection. you make a video call or chat abroad country for free.
This app has well maintained for use, anyone.this app have a simple layout and it have get update on time from google play. this app have similar like imo .feature and function is so good. also this app have mostly download by people. also graphic is good simple and user friendly.
This is very useful for who one talk or type free with anyone face to face.