نخب الأفكار شرح معاني الآثار is a comprehensive guide to understanding ancient artifacts written by Abu Muhammad Mahmoud bin Ahmed bin Musa bin Ahmed bin Hussein Al-Ghitabi Al-Hanafi Bader Al-Deen Al-Ainy, who passed away in 855 AH. The book is published by So Smart Apps and is available for free on Android devices. It falls under the category of Education & Reference and subcategory of Books.

The program's main features include the ability to change the font size, color, and style from a selection of eight Arabic fonts. Users can also choose from hundreds of background colors, dozens of themes, and dozens of images to customize their reading experience. The app includes a side menu that contains all the chapters for easy navigation, and arrows at the end of each chapter allow for easy movement to the next or previous chapter. The program also allows for copying and sharing of any chapter or section of the book, and users can save their favorite chapters for later reading. Additionally, the app includes a search function that allows users to search for any word within the book, and a timer for automatic exit after a set period of time.