Friend I won’t too tell you about the Fb messenger . Fb messenger is best aap for Chet and shear. Messenger is the part of Fb with the help of messenger we can chat our facebook friends with out login the Facebook id. I am also using this aap very long time. messenger is the best aap we can easely communication our friends. And we can do vedio chat. This is the best aap that we ever had seen. I love this aap