No, any WP8 phone can install it, this is a public beta apps for Microsoft to do public testing for latest function implemented in their facebook apps, once the new feature found is stable in the apps, it will transfer the new features to their official facebook apps.

But this apps is remain hidden in Windows Store apps unless

Scanned this QR code



or this link:

http://www.windowsphone.com/s?appId=93da5d...d5-a87b33247ec6