Facebook, one of the most famous social media have official application for all smart phones like Windows, Android, iOS etc.. Recently Facebok released Facebook Lite for Android devices. This applications is for users on slow network connections/2G or for the users who want to use the Facebook app and use less data.
The application installation file is less than 500kb only and will supports all phones running Android 2.2 or higher versions.
Uses less data
Designed for slow and unstable data connections
Messaging does not require a separate application
Push notification is available for all phones
This application launched in January 2015, while it was not available to Indian users. Now it is available for Indian users also. So if you are interested in using this application you can get it from Google Play store