The Green Belt app serves as an interactive travel guide along the former inner-German border, covering 1,393 kilometers from Prex to Priwall. This multimedia tool is designed for outdoor exploration, providing users with audio guides and extensive background information about approximately 1,000 significant locations. It allows for individual exploration of various routes, making it a valuable educational resource for those interested in the historical context of the region.

In addition to its navigational features, the app highlights the transformation of the border area into a natural biotope. It showcases the impact of the division of Germany on local communities and landscapes, with over 850 points of interest documented through photographs and text. Developed by a non-profit organization, the Green Belt app collaborates with several partners to ensure a comprehensive representation of the historical and ecological significance of the area.