Messenger 188.8.131.52.14 was released on January 3, 2015. Update time is important because it will greatly affect the ability to send a message. Here is the official description of the facabook in this update:
Messenger is one of the most downloaded applications in 2014. This application will facilitate the process of chat were compared using the facebook app or mobile browser.
For surely you facebook users is very pentin application and must be owned. You can download the apk file of this application on the following link.
Some download link are broken, you can download APK on this link (APKDAD DOWNLOADER)