The Facebook application now supports video playback in the timeline,so it has its own Facebook player and will not use other,however the videos in the Newsfeed can still use third pary players.
IPhone 2G,immaculate, sleeping in the box,bought Dec.2007.
IPhone 4, went to the wife.
Samsung Galaxy Tab 10.1 3G
Samsung Galaxy Note GT-N7000
Galaxy Note II Titanium Grey.