Mein DERTOUR is a free Android application developed by DER Touristik Deutschland GmbH. It primarily serves as a personal travel assistant that allows users to keep track of their past and current DERTOUR bookings. With its user-friendly interface, users can easily access their booking details, including flight and hotel information, and make changes to their itinerary, if necessary.

Apart from providing booking information, the app also offers helpful features to assist users in their travel preparation. The app provides a weather overview of their destination, as well as a checklist for packing and other travel essentials. Additionally, the app offers useful information about their booking, such as visa requirements and health recommendations.

Overall, Mein DERTOUR is a great tool for travelers who want to stay organized and informed on their trips. With its comprehensive features and easy-to-use interface, it is definitely worth checking out.