Please note that Facebook no longer supports embedded browser logins on Android devices as of October 05, 2021. We highly advise trying the alternative login available through the Facebook App.
After confirming that both the game and the Facebook App are installed and updated on your device, log in to your account on the Facebook App, and then try using the Facebook login Option in-game to play.
After confirming that both the game and the Facebook App are installed and updated on your device, log in to your account on the Facebook App, and then try using the Facebook login Option in-game to play.