Note that there are two versions of this Application. This Regular version allows Video calling while the Firewall version does not allow video.
If the internet that you are using on your device has a strong Firewall, then you are advised
to use the Firewall version of this App. as seen in the Play Store.
Countries with such Firewall restrictions are UAE and some African countries.
The Firewall version of this application will enable you to talk and do text chat, but will not allow Video calling.
It a Social Network application and It is free to download.
It is also an International calling Application with extremely low rates on Pay as You Go or Monthly subscription.
This Application is a messenger that works on all Android devices.