The Rulers Of Russia is an Android application developed by Kirill Sidorov. It falls under the category of Education & Reference and is specifically designed for readers interested in Russian history. The app provides a comprehensive guide to Russia's rulers and their reigns.

The app is easy to navigate and includes a search feature, making it easy for users to find specific rulers or periods of history. The annex contains detailed descriptions of each ruler, including their accomplishments, failures, and significant events during their reign. The app also includes timelines, maps, and images to help users better understand the historical context.

Overall, The Rulers Of Russia is an impressive educational resource for anyone interested in Russian history. The app's comprehensive guide and user-friendly interface make it a valuable addition to any history buff's collection.