أسرار الكون - للسيوطي is a free Android application developed by So Smart Apps, categorized under Education & Reference, and subcategorized under Books. The program is designed to provide a comfortable reading experience for the users with its various features. The application offers a department for favorite chapters, a list of all chapters for easy navigation, and the ability to change the font size, color, and shape within 8 Arabic fonts. Additionally, users can choose from hundreds of colors and dozens of themes for page background colors and specify photo backgrounds.

The program also features a comfortable night reading system, the ability to copy and share any chapter, and a timer for automatic reading and exit. Users can search text in the classroom, reset program settings to default, and take notes on the class. The application also saves the last place reached in the list of chapters and memorizes the last reading place in the classroom itself. Overall, أسرار الكون - للسيوطي is a useful and user-friendly application for those interested in reading and learning about the secrets of the universe.