Tap the "From" box to see an alphabetized list of all 73 Metro station in Rome. Pick one. Same for "To" box. Instantly get map showing Metro route, a list of intermediate stations, the distance, the travel time, and the fare. Save route to favorites with a tap. Switch from schematic view of route to map view to satellite photo view. Nothing exotic or nonintuitive, just straightforward, easy access to practical, useful information. Bullet-proof execution of a well thought out app design. No-brainer for anyone new to Rome Metro system.