facebook pageFB Pages Manager app for Windows Phone updated to version 2.  It is the only fully featured Facebook Pages Manager app on Windows Phone that you can use to manage all your Facebook pages.
The latest update brings Page mentions, Scheduled posts, New cleaner and fast user interface and a lot of more fixes and enhancements.

FB Pages Manager Changelog:

Page mentions, users can now tag other pages on their posts.
Events, its now possible to see the pages events and post on their timelines.
Scheduled posts, after so much demand we now added the possibility to check and edit scheduled posts.
Share, the Windows Phone 8.1 version now fully supports the OS share function.
New cleaner and fast user interface.
New notification system.
And a lot of more fixes and enhancements.

Install Link

Thanks Nawzil for the tip!!!