Hey guys today I am going to review facebook messenger app.it is an messaging app.on this app you can make contact with your facebook friends by many means.first of all you have to make a facebook account and then download and sign with your account in the app if you already have facebook account download the app and sign in.once you sign in you can make messages to your friends.you can make voice and video calls to your friends.you can send them beautfull stickers.you can send them pics, videos.you can also record your voice and can send that to your friend.the quality of video and voice call is really very good.start using this app and enjoy.