Features: Facebook Chat, Status Feed, Notifications & New Messages Indicators, Picture & Video Uploads Directly From Your Phone, Integrated m.facebook.com Browser, All Display Resolutions, Touch Friendly, No 3rd Party Registration, AppToDate Support

Installation:

Download from here the mobile installer (.cab file) to your desktop. Sync with your mobile phone and copy the .cab installer to your phone. From your phone go to Programs -> File Explorer, navigate to the .cab file and select it. The Installer should do the rest, or navigate to http://get.mosko.mobi on your Windows Phone, choose open, the installer should do the rest.