Messenger is a connection of all your messenger apps like Twitter, Facebook, Viber, Whatsapp Messenger, and much more, give you an access to a world though Messenger.
No more searching for social messenger apps. With Messenger, you just need one click to open your messenger app whenever you want to have a messenger with your friends and families, show you the open times of each messenger app, find the most used messenger app.

Free non-installation required messenger apps, with no mobile network traffic consumption, all messenger & communication apps can be opened and used in our Messenger app.

Messenger will help you to open your favorite social messenger apps like Twitter, Facebook, Viber, Whatsapp Messenger, and much more. You can add your own messenger app as you like.

Keep all your friends and families all in one messenger, open all your social messenger apps just with one click. Don't need to search for messenger apps every time you want to messenger with your friends and families.

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Source: https://play.google.com/store/apps/details?id=messenger.social.chat.apps