i’ve been researching for that too but unfortunately the facebook device auth is still on experimental and they didn’t give new keys (partner) to use the device auth.
You can find the working example here:
http://oauth-device-demo.appspot.com/
Just look at the website source and you can have the appID that works with it.
The other one is twitter PIN oauth it’s working and publicly available (i’m using it)
https://dev.twitter.com/docs/auth/pin-based-authorization
Facebook login for smarttv/devices without facebook sdk is possible throught code , check the documentation here :
https://developers.facebook.com/docs/facebook-login/for-devices