I used the disneyland.com website and entered in my reservation number, and my reservation appears in the app (Android version). I am not sure that will allow for an online check-in, but it does help me feel like my room and tickets are all connected. For some reason, it didn't work online the first time--think I had popups disabled or something--but I called the group reservations phone number and they walked me through it, which was basically just logging into the Disneyland website in a new incognito window.We have a room booked through the Dapper Day site for November. How do I link that reservation to the app so that I can do online check in? Thanks!