Musolla Wali Songo is an Android app developed by Musolla Walisongo that provides a collection of written and audio religious studies by Al Habib Abdurrahman bin Abdullah Bilfaqih, daily practices, Islamic calendar months, Salaf hymns, and biographies of several Awliya. The app is available for free and falls under the category of Education & Reference with a subcategory of Books.

The app has an extensive collection of religious texts and audio files that are beneficial for anyone seeking Islamic knowledge. It is user-friendly, and the interface is easy to navigate. The app is a great resource for anyone interested in learning about Islam as it provides a comprehensive collection of Islamic teachings in one place. However, the app could benefit from additional features such as bookmarking and note-taking to enhance the user's experience.