3 ms·

QR code.

• psnehanshu 3y ago
  Yes, QR codes, and that's what most apps do.
  • arghwhat 3y ago
    ... including this one.
    • psnehanshu 3y ago
      Sorry?
      • arghwhat 3y ago
        This app also uses a QR code when you want to send files to someone without the app. The IP and port is just also shown, which is very useful when the target device doesn't have an easy QR code scanner - say, a desktop.