A new way to signup for messenger for android, create a messenger account with just your name and mobile number, and start chating with you mobile contacts.
Install the new app and tap get started to reach contacts faster and start group conversation and share images and much more, Messenger for Android is available from today, and Messenger accounts will become available over the next few days.
Messenger app is available only a few countries i.e India,Australia,Venezuela,South Africa, but it will soon available in other countries, including iOS app. and it is possible to use Messenger app as an SMS app. for more Facebook Help Center
Messenger Mobile App:
It's free and stand-alone mobile app and easy to use.Reach your friends wherever they are now, Text your friend for free using your existing data plan / wifi.