مرقاة المفاتيح شرح مشكاة المصابيح is a free educational and reference app developed by So Smart Apps for Android devices. The app is a comprehensive guide to the famous Islamic book "Mukhtasar Minhaj Al-Qasidin" written by Ali bin Sultan Muhammad. The app offers a variety of features to enhance the user's reading experience, including the ability to change font size, color, and shape, as well as choose from hundreds of background colors and themes. The app also includes a comprehensive search function, the ability to save notes and favorite chapters, and a timer for automatic reading and exit. Overall, مرقاة المفاتيح شرح مشكاة المصابيح is a valuable resource for anyone interested in studying Islamic literature.