Along with that news, they also announced a new mobile order and pay system. Starting with Satu’li Canteen, you will be able to make a food order and pay through the My Disney Experience app, then simply pick your order up at the dining location. This order and pay through the app feature will start making its way to other dining locations across Disney World towards the end of 2017.
At the moment Disney have said it is for paid orders only, you cannot redeem Disney Dining Plan credits. But, I'm sure this functionality will be added at some point in the future as the technology progresses.