It has several features that will ensure that your friends are always available for chat and contact, without you having to get into and out of apps.
Here are some screenshots of how the Facebook Home App would look like.
Where to download Facebook Home Android App?
The app is coming out only in April 12th, 2012 and can be downloaded from the Google App Store.
Here is a link that will list all the apps by Facebook on the Google Play store. Keep checking the link. Should the Facebook Home App show up sometime soon, you can get it from here.