Game Demo Presentation

What I need to do to make my presentation better
The thing I could do to make my presentation better is right a short speech on index cards so that I won't be reading every thing on the game demo slide I could also leave hints and tips for me to look at if I in case I forget something.

Another thing that I could do is use different facial expressions and talk with a exiting tone in my voice this should show that I'm interested in my speech and my audience will be to.