I used the app to check into the Hilton in Sheffield (where I'm currently sat enjoying a pint). I liked the fact I could select a room on the highest floor and position myself overlooking the river basin rather than the road. Also managed to bag a room away from the lifts, ice room and stairs so should be a little quieter. Also some received two bottles of water on check in for using the app.
One final little thing to make me smile was I already knew which way to turn before I got out of the lift. Winner winner chicken dinner