Castles World is an Android application developed by Kirill Sidorov, which falls under the Education & Reference Category. As its name suggests, the app is a comprehensive guide to castles around the world. It is ideal for castle enthusiasts who want to learn more about the history, architecture, and features of these iconic structures.

The app provides detailed information about over a thousand castles, including their location, history, and key features. Users can browse through the castles by country, region, or name. Each castle has a dedicated page with a photo gallery, description, and historical facts. The app also includes maps, directions, and travel tips for those who want to visit the castles in person.