Keep in touch with your loved ones with Tango for Android. This application allows you to make voice, video calls (national and international), send text messages or photos for free with family, friends and millions of people from all over the world. For that, nothing more simple, it is enough that you and your correspondent have installed Tango on your smartphone and the turn is played. It works both in Wi-Fi and via the 3G / 4G network and does not require any registration. Finally, note that Tango is also available as an application for smartphones that run under iOS.