This TV can be either attached to the stand or mounted on the wall.
The first option seems arguable to me: because of its huge size (and the related windage), the panel will sway at any breath. And it won’t survive its falling down (neither will its owner).
The built-in video player features an impressive list of codecs and containers. It includes modern formats such as FLV and MKV, and even the recently introduced H.265 and VP8 (WebM):
This TV has an interactive mode, the so-called Smart Hub, which offers the following four panels.
You can install free and paid application, for which a Samsung account is required. Out-of-the-box the TV has YouTube, NetFlix, Spotify and a bunch of others. Applications can be installed on an external USB drive. And, of course, you can update and uninstall them.