The app, "Aurinkomatkat", allows you to check in to a hotel, even when the room is not yet booked. In addition, it gives you access to the hotel's facilities, such as the pool and the sauna.

The app will send you an SMS message with the room number and the password, so you don't need to remember them. It is very easy to use, even if you are a beginner in using mobile applications.

You will be sent a confirmation code via SMS, and you will need to enter the code to check in. The code will be sent to the phone number that you provided when booking the hotel room.