The "مؤلفات السعدي" application by Arabia For Information Technology is a comprehensive collection of the works of Sheikh Abdul Rahman bin Nasser Al-Saadi. The app includes his most famous work, "Tafsir Al-Saadi," along with other Islamic literature covering topics such as Quranic sciences, Hadith, jurisprudence, beliefs, and Islamic manners. The app contains 96 books, including 30 books that have not been published before, totaling over 20,000 pages.

The app has several features that make it user-friendly, including a search engine, the ability to share texts on social media, a table of contents, footnotes, and the option to take notes on words or phrases. The app also allows users to adjust the font, font color, and background color, making it easier to read, especially in low light conditions.