"A Complete Explanation of 'The Pillars of Islamic Law'" is an Android application that provides a detailed and comprehensive explanation of the book "The Pillars of Islamic Law" by Sheikh Muhammad Saleh Al-Munajjid. The app includes audio explanations of the book in mp3 format, which is considered one of the best series of explanations of the book. The audio explanations are voiced by the Sheikh himself and are very clear and easy to understand. The app also includes detailed explanations of all the chapters of the book, covering a wide range of topics, such as mortgages, inheritance, marriage, and divorce. In addition, the app contains a small and unique audio application that explains the book in detail, along with various rich additions and features. The app is available for free and is an excellent resource for anyone interested in learning about the pillars of Islamic law.