Features gone

Im so disappointed. I have been enjoying imovie but keep seeing videos where people can do picture in picture and use other features. Well after spending almost an hour on the phone with an apple guy he told me those features have been taken away for new version on iPhone 7. What a waste of time and a total disappointment. Not only am I angry that I spent so much time on the phone but that the model has been stripped down. Horrible.

Lorimich4000000 about iMovie, v2.2.3