مكتبة كتب الشيخ ابن العثيمين is a free Android application developed by So Smart Apps in the Education & Reference category under the Books subcategory. The application features a collection of books authored by Sheikh Muhammad bin Saleh Al-Uthaymeen (dAH), a prominent Islamic scholar. The books are sourced from the comprehensive Shamilah database.

The app has a simple and user-friendly interface that allows users to easily access the books and read them on their mobile devices. The books are organized by category and users can search for specific titles. The app also offers features such as bookmarking, highlighting, and changing the font size for a better reading experience.