IMPORTANT: The vast majority of Android phones are compatible with Swopi, but the phone's settings are NFC often off!
Enabling NFC (Near Field Communication)
Applies to Android only: If the settings NFC does not display, the phone does not support it. Apple has NFC always switched on at the factory.
1. Open the application on your phone Settings.
2. Tap Connected devices and then Preferences connected or search for "NFC“.
3. Turn on NFC.