Samsung PN51E6500EFXZA - Manual (Page 517)

highlight and select the device that
has the files you want in the playlist.
AllShare Play displays the folders
and/or files on the device.
3. If
AllShare Play is displaying folders,
highlight and select the folder that
contains the files you want. If it is
only displaying files, go to Step 4.
4. Highlight a file, and then open the
Tools menu using your remote,
5. Highlight and select
Add to Playlist .