For Devices - Facebook Login - Documentation - Facebook for Developers
This document is for developers wanting to implement Facebook Login on apps for devices such as Smart TVs, digital photo frames, or Internet of Things devices.
To enter your Facebook for Devices code to log in to your smart TV, camera, printer, and other devices, visit the Facebook for Devices Page. ... These guidelines describe how to design a clear, safe, and consistent login experience across devices ... To do this, provide a Log out from Facebook or Disconnect from Facebook ...