Hotel Guest Concierge Service The ocean marketing hotel app is not just another application. it's like having a concierge in your pocket, giving your guests access to the hotels facilities ,the fabulous range of attractions and places of interest that Montreal has to offer. The application offers full Smartphone functionality. It provides the user with access to a location and direction facility with map visual If the option of the GPS has been activated. Guests can take advantage of onsite promotions.