So Smart Apps has developed a free educational and reference program for Android users called "التاريخ الكبير للبخاري". This program is a great resource for those who want to learn more about history and the world around them.

The program allows users to search the book in various ways, including a comprehensive search within the book, a search within specific subcategories, and a search within specific chapters. It also provides the ability to change the font size, color, and style, including eight different Arabic fonts.

In addition, the program offers a variety of background colors and images to choose from, as well as a night mode for comfortable reading. The program has easy-to-use menus that include a list of main book sections, a list of individual chapters within each book, a favorites list for saved books and chapters, and a notes section for users to add their personal thoughts and comments.

Overall, "التاريخ الكبير للبخاري" is a well-designed program that provides a great user experience and a wealth of information. It is available in ten different languages and allows users to copy and share any section of the book.