The "Trail of Karol Wojtyła" mobile application is an audio-guide of the Wadowice trail connecting 13 sites associated with the youth of Karol Wojtyła.
The application was developed in 6 languages – Polish, English, German, Italian, Spanish and French.
The guide uses geolocation and determines the route to a specific site, where audio commentary is automatically played back by the application. The Individual sites are also illustrated with photos and descriptions.
The application includes information such as the history of Wadowice, list of saints and famous people associated with Wadowice, as well as photo and video galleries of John Paul II.