Fiqh and Aqeedah after Iman are the most important and practical principles a Muslims refers back to again and again inorder to lead a life pleasing to Allah. Please make an app which contains all the knowledge of fiqh of worship and ahqamat and legal rulings on different matters of life and Hajj and Umrah and zakah. Basically the entire zaad Al mustaqni with the explanation of sheikh uthaymeen. And Aqeedah of the Salaf . Aqeedah Al wasatiya etc.