The Italian Constitution app, developed by Massimo Giardinetto, is a free educational and reference program available on Android devices. The app contains all 139 articles of the Italian Constitutional Charter, providing historical notes and a brief comment for each article.

The app's interface is user-friendly, allowing easy navigation through the articles. The historical notes and comments offer valuable insight and understanding of the constitution. The app is a great resource for anyone interested in Italian history and politics.

Overall, the Italian Constitution app is a comprehensive and informative resource for those interested in the Italian Constitutional Charter. Its user-friendly interface and valuable historical notes and comments make it an excellent educational tool. However, it is important to note that the app does not provide any contact information for the developer or offer any feedback options.