The US Constitution app, developed by RBWare, is a free application available on Android 9.0. This app is categorized under Education and Reference, specifically Books. It is an excellent resource for American citizens, history enthusiasts, and anyone interested in the US Constitution and other similar documents.

The app features a full version of the US Constitution and other documents, including the Articles of Confederation, the Declaration of Independence, the English Bill of Rights, and the Magna Carta. It allows users to quickly jump to Google search, Wikipedia, or the official page for each item. The app supports both light and dark themes, text selection, and gestures for navigation. It also supports large screens and unusual screen ratios.

This application is free, with no ads or permission requests. RBWare has sourced all the information from the National Archives website. The app is customizable to either Light or Dark, making it easy to read and use. Users can also make additions or corrections to the information provided.

Overall, the US Constitution app is an excellent resource for those interested in American history and the rights guaranteed to American citizens.