The "الأستاذ خالد جمال" app, available on iPhone, offers users the opportunity to watch lessons and lectures by Professor Khaled Jamal in a user-friendly and accessible manner. Users can also take tests related to the lessons they have learned. Additionally, the app provides a convenient feature that allows users to message Professor Khaled Jamal directly from within the application for any questions or inquiries they may have.

This educational app by Hamzah Ali caters to users seeking to enhance their learning experience by providing a platform to engage with Professor Khaled Jamal's teachings, take quizzes, and have direct communication with the professor for further clarification.