Grand Hotel Due Golfi is an app that allows guests to improve their experience in our location. Through the use of the App they can obtain a lot of information starting from the general information on the structure, the images of the rooms with the descriptions and if in possession of the login data they can use advanced functions such as account management and reservations and information. dynamically updated by the structure. The app can interact through the use of web services with the Hotel Management, thus becoming a container of advanced functions and tools that can be used by the user.