مكتبة كتب ابن رجب الحنبلي is an Android application developed by So Smart Apps that offers a vast collection of Islamic literature written by the renowned Islamic scholar, Ibn Rajab al-Hanbali. The app provides a comprehensive collection of his works, including his famous commentary on Sahih al-Bukhari, Fath al-Bari, and his commentary on Jami' al-Tirmidhi, Sharh al-Arba'in al-Nawawiyyah. The app is free to download and is an excellent resource for anyone interested in Islamic literature.

The app is well-organized and easy to navigate, with a user-friendly interface that allows users to search for specific works or browse through the various categories. The app also includes a brief biography of Ibn Rajab al-Hanbali, providing users with some background information on the author and his works. Overall, مكتبة كتب ابن رجب الحنبلي is an excellent resource for anyone interested in Islamic literature and is highly recommended for students, scholars, and anyone interested in expanding their knowledge of Islamic history and culture.