Yes, the movie is confirmed, and Scott is going to be involved in it, but the release date is not yet set. I'll keep you posted as soon as I get any new info on this.
For now we don't even have a real trailer as the movie will probably be released next year (2017) so it's just too early for that. Instead, here's a fake trailer made by youtuber Indeimaus:
By the way, the information about the movie has been confirmed by Scott Cawthon himself. So, what we know so far is that Scott had given Warner Bros permission to make a five nights at freddy's movie.
More details you can find here: Five Nights At Freddy's Movie