Hrady a zámky, Maxův průvodce is an Android application that provides a comprehensive guide to the rich history of the Czech Republic. The app offers a detailed overview of the 100 most interesting castles and chateaus in the country, sorted by regions. It also features an interactive map that allows users to explore the castles and chateaus and plan their trip with ease.

The guide offers a range of quizzes that test the user's knowledge of the history of the castles and chateaus, as well as their attractions. The quizzes include a visual quiz and a three-level test that comprises 270 different questions.

The guide features 650 photographs of the castles and chateaus' interiors, exteriors, and surrounding areas, along with links to their official websites and accurate GPS localization. Additionally, the guide provides readers with various attractions and tips for every exposition about the history of the castle or castle, making it an excellent companion for any history enthusiast or tourist visiting the Czech Republic.

It is worth noting that the application stores data in the internal storage of the device, and therefore requires permission to work with data on the device.