Facebook has ported its free VoIP calling feature from iOS to Android today. The tool allows iOS and now Android users to make free VoIP-based calls to other iPhone/Android Facebook Messenger users ...

We are becoming less and less dependent on mobile networks. You can get a data signal almost everywhere that you can get a mobile signal and most of us are around WiFi most of the time anyway.

The Android app works over WiFi, 3G, or 4G connections. As long as you have a strong data connection, you can make as many calls without using your mobile minutes. When no data signal is available, ...