Introdution ONLY FOR users who play Dragon City on Mobile (iOs, Android, Amazon): Token link is a awesome feature
to help you get FacebookId and Session with unique link and you must remember that link.
Whenever you need to get FacebookId and SessionId, everything you need to do is Open that token link then Ditlep will find FacebookId and SessionId for you.
Please checkout this video, how to use it WATCH VIDEO
(Why need email ? You can use email to recover token link)