The مكتبة ابن الجوزي رحمه الله - 20 كتاب بدون نت is a free Android application developed by So Smart Apps, which falls under the Education & Reference category and primarily focuses on Books. It offers a comprehensive collection of 20 books written by Ibn al-Jawzi, a renowned Islamic scholar. The app's interface allows users to customize their reading experience by changing the font size, color, and style. It also provides several background color options, themes, and images. Additionally, the app includes a search function that allows users to search for specific words or phrases within a book, chapter, or the entire library. Users can save their favorite books, chapters, and pages, as well as make notes and share them with others. Overall, مكتبة ابن الجوزي رحمه الله - 20 كتاب بدون نت is an excellent application for those interested in Islamic literature and history.