A:AnswerWe have a Sony 75 inch mounted on ours and works great. Mount came with hardware to accommodate all types of mounts. Although I can't say for sure, I would not have a problem trying this for the Samsung.
A:AnswerYes there are Allen head screws on top of the bracket that connect to the tv. This is what the Allen wrench is for that came with the mount. They will level the tv.