You can register for the hvv switch app by downloading it on your smartphone, opening it, and then simply following the instructions in the app. Please remember to confirm your e-mail address. After registering you can choose from two different options at the moment: - Buying a hvv ticket - Booking a MOIA shuttle The app will guide you through the purchase and booking process. You will receive a separate invoice by e-mail for each service you buy or order. More services will be added to the hvv switch app over time.