The main Facebook app (katana), the messenger app which integrates into your SMS (orca) and the home/launcher app (shell). Download all of them and install your phone. Follow the instructions....
Facebook Home apk download
Home/Launcher Download
Facebook app Download
Messenger Download
How to Install Facebook Home on Any Android Phone
Here are the quick instructions how to install Facebook Home on your Android phone and get it working — before the app officially hits Google Play after four days.
To Remember:
Facebook Home supports an Android device with a maximum resolution of 1280×768 – it works fine on the Nexus 4.
You should be able to uninstall the current Facebook for Android app in your phone.
Make sure you uninstall Facebook for Android and Facebook Messenger from your phone before proceeding below.
Installation Instructions:
Step 1 - Install Facebook for Android, Facebook Messenger and Facebook Home APK files on your phone. Do you know how to install APK files manually? See here: How to Install Android APK on Your Phone Manually.
Step 2 - Log in to the official Facebook for Android app. Then open Facebook Messenger and log into that app as well.
Step 3 - Open Facebook for Android. Go to Settings and scroll at the end.
Step 4 - Check the option, “Enable Facebook Home“.
Step 5 - Now press the Home key on your phone.
Step 6 - You will be shown a popup to select which launcher to choose. Select, “Facebook Home” and tap “Just once”.
Facebook Home will now launch on your phone.