Question about Samsung QE55LS03 The Frame 3.0

May I ask why you want to attach a screen that claims to be a picture frame to a swivel arm?
Then you can save yourself the trouble and buy a "normal" high-end screen for the same money...

Presumably, one could already attach the wall suspension device to a suitable swivel arm. However, due to the heavy weight of the unit, this must be a very robust arm.