Bubatzkarte is an Android travel and navigation app developed by LEA SYSTEMS KG. It offers a unique feature set designed to help users discover cannabis prohibition zones in Germany for a safe and informed experience.

The app provides interactive zones, allowing users to click on color-coded areas to understand why they are off-limits. Additionally, Bubatzkarte offers GPS tracking, enabling users to track their current position accurately within forbidden zones. Moreover, the app includes timed pedestrian zones feature, dynamically displaying and hiding these areas based on time regulations. For better spatial understanding, users can switch between bird's eye view and 3D visualization of buildings.