Kurdish Book is an Android app developed by hiwaselah that provides over 4,000 topics on Islamic studies in the Kurdish language. The app covers a wide range of topics related to Islam, including history, etiquette, and beliefs. All of the topics are well-researched and presented in a clear and concise manner.

The app includes features such as the ability to change the font size and type, bookmark pages, and search for specific topics. It also has a clean and simple interface that is easy to navigate, making it accessible to users of all ages.

Overall, Kurdish Book is an excellent resource for those looking to expand their knowledge of Islamic studies in the Kurdish language. The app is free to download and has been regularly updated since its initial release in 2015.