Disney MagicMobile service is a feature of the My Disney Experience app. This app feature offers quick and easy access to select theme park and Disney Resort hotel amenities through an eligible iPhone, Apple Watch or Android phone.
Use Disney MagicMobile to:
Enter the theme parks (with valid admission)
Link Disney Photopass images with your account
Check in at attraction Virtual Queues or Lightning Lane entrances
Charge food and merchandise payments to your credit card on file at your Disney resort
This service uses Bluetooth technology so you can simply hold your smart device next to the terminal to get it to work.  If your device is positioned correctly—place your index finger on the reader and watch for the green light—a check mark and the word “Done” will appear on its screen.