Facebook Home is officially available on only 4 phones. Use this little workaround to make it installable on almost any Android phone.
Facebook App APK – http://goo.gl/IaLQf
Facebook Messanger APK – http://goo.gl/J7Kx8
Facebook Home APK – http://goo.gl/d2sr6
Madaco Forum Post – http://goo.gl/pJwGf
Cyanogenmod wiki – http://wiki.cyanogenmod.org/w/Devices
How To Install Cyanogenmod – http://www.youtube.com/watch?v=ArWwF6ZckVw