Why download one app for each hotel you stay in when you can have them all in a single app? Stay App lets you use your smartphone to manage all aspects of your stay at any hotel in the world in the best and fastest way. Just install, launch and it automatically detects what hotel you are in and it becomes that hotel's app. You will be able to book spa treatments, make a restaurant reservation, order dinner from room service, request room upgrades and do any of the things you would normally d