Well, it looks like folks in the US didn't have to wait that long to get Samsung's new Explore 3D video on demand service after all. Just over a week after launching in the UK, the app has now made its way to capable Smart 3D TVs in the United States, complete with "dozens of pieces of free 3D content," including trailers, music videos and educational content. What's more, while it's limited to free content right now, Samsung says that it will expand into paid content "later this year," and offer feature films from some as yet unnamed major studios (no word on pricing just yet). Full press releas