If you want to get your hands on a buggy, yet installable version of Facebook Home here you go.
It looks like someone got their hands on an HTC One and ripped out the apk install package for the Home interface. As reported it's fairly buggy and not everything works as anticipated, but if you like getting bloody first download the APK, install it and report back to us what you find!
In order to use the leak, you need an Android device with a maximum resolution of 1280x768 and the ability to completely uninstall your existing Facebook app.