كتب الدكتور يوسف القرضاوي is an Android application that contains a collection of about 35 books from the library of Youssef Al-Qaradawi. The books cover a wide range of Islamic topics such as halal and haram in Islam, jurisprudence of Zakat, jurisprudence of priorities, the reality and judgment of temporary marriage, apostasy and its punishment, Islamic law, Islamic awakening, Islamic jurisprudence between authenticity and renewal, the inclusiveness of Islam, the objectives of Islamic law, the issue of Jerusalem in Islam, Islam and secularism, and many more. This application is a great resource for those who want to learn about Islamic teachings and principles. The best part is that this application is completely free, making it accessible to everyone who wants to gain knowledge about Islam.