I don't want to sound negative, but I don't want to insult your intelligence either. Therefore, I'll go ahead and say that you could probably figure these simple steps out on your own, but that's just a testament to what an easy build it is. Plus, the video is short and fun to watch. I found the recommendation to use "Solar Shield" sunglasses handy as a base for housing a camera or an HMD that won't make people wonder where you left your plaids and your cane.
"Phones are now a fashion business in that you’re only as good as your last model. Phone makers need to release new models as quickly (if not faster) as Parisian couture makers if they want to remain hot and gain sizable share of the handset market. " - here via here.