www.nike.com/snkrs
Just signed up for the waitlist. Not sure what this app is though.
Hopefully it improves the launch day purchasing experience.
Edit: 3/2016
Looks like Nike is coming out with a new Nike+ App.
From the screen shots it will allow you to buy and reserve shoes. Probably...
Finally people on the West Coast can sleep in a little bit longer. Just waiting for an online raffle system.
EDIT: Looks like Footlocker will be changing their release time as well.