A free app for Android, by AMSApps.
Mufti Menk Audio Lectures is an application for learning and understanding Islamic teachings. It offers you a large selection of audio files and lectures that are sorted by topics and well-organized in such a way that it is easy for you to listen to them. Such topics include Stories of the Prophets, Jewels From The Holy Quran, and many more.
The application is very easy to use, can be used on your Android device, and works in the background. In order to use this, you need an internet connection. MP3s are downloadable on your device. It doesn't contain any ads so you don't have to be annoyed with so many interruptions. For a better experience, you can watch a video on your device in full-screen mode.
