If you are looking to improve your Quran recitation skills, then the "أحكام رواية قالون" app by Faraj Zidan could be an excellent resource for you. This free Android app provides you with a brief overview of the fundamentals of Qaloon recitation according to Nafi' Al-Madani. The app is designed to serve as a modest reference for those who wish to recite the Quran with this particular recitation style.

The program is a human work that may contain errors. Any errors in the app, whether technical or linguistic, can be reported to the developer via email. The app is ad-free, so you can learn without any distractions. However, it does not offer any interactive features or exercises. Overall, "أحكام رواية قالون" is a simple and informative app that can help you learn the basics of Qaloon recitation.