Bluetooth and Wi-Fi Direct are two of today’s most popular means to share files and data between two mobile devices. The downside to these methods, however, is that they require some setting up before you can use them.
But, with the help of Near Field Communication (NFC) technology, you can skip the setting up part and, in its place, will only need tapping devices against each other. (For more info about NFC, see “How to use NFC on Android” and “How it works: NFC (Near Field Communication)“.)
NFC and Android Beam work hand in hand to share data to other NFC-capable devices over a Bluetooth connection. These could be contact [...]