Hi @Badr_Maroc , welcome to the community! Are you interested in becoming a Udemy instructor and teach on how to make an app? If so, a great place to start is the course creation https://teach.udemy.com/course-creation/ section of the Teaching Center. If this is not what you're looking for, please do also ask more specific questions here and we'll do our best to help you out.
Eliana Cerna
Udemy Community Team
