Castell de Bellver is an Android application developed by Ajuntament de Palma, available for free in the Travel & Navigation category. The app provides visitors with a comprehensive audio guide to explore the history, architecture, and important pieces showcased in the Museum of the City's History located in the Bellver Castle.

The app offers visitors an opportunity to learn about the castle's history, its location, and ticket prices. With the app, visitors can follow the audio guide and discover the castle's most important pieces, which are displayed in the Museum of the City's History. The app is easy to use and is available in English, Spanish, and Catalan. It's a great tool for visitors who want to learn more about the castle and its history.

Overall, Castell de Bellver is a useful app for anyone visiting the Bellver Castle. It's informative, easy to use, and provides a great way to explore the castle's history and architecture.