Facebook introduced its Facebook Home application for Android devices on April 4, 2013. Facebook Home now available to download on Google Play Store for specific Android devices such as HTC First, HTC One (Future), HTC One X, HTC One X+, Samsung GALAXY S III, Samsung GALAXY S4 (Future), and Samsung GALAXY Note II.
The app launcher allows you to launch your favorite apps and post to Facebook from the same spot.
Facebook Home is a Android application it replaces your default home screen with various new features such as Cover feed, Notifications, Chat heads and App launcher.
Facebook Home allows you to see notifications and updates on your home screen. And when you download Facebook Messenger, you can keep chatting with friends when you're using other apps.
Google Play - Facebook Home for Android