First off that is not a trailer that is straight gameplay, at least the two minutes of your video were (I didn't waste my time with the rest).
Secondly, your intro is far too long and boring, I literally felt the will to live leave my body as I watched it.
Third, (This is personal opinion) Your taste in music is absolutely, irrefutably terrible.
Fourth, I see that your grammar is improving, you're welcome. (again proper use of you're).
English