Abbass Masri, with the support of Doc. Ali Alaeddine, is an experienced Android App Development instructor with over 10 years of expertise. He is the founder of the popular Android learning app “Master Android App”, along with other successful products such as Master Android Pro, Master Flutter, and Master Kotlin, which have been downloaded by thousands of users worldwide. He holds a Master’s degree in Computer Science. In addition to online teaching, he shares knowledge on YouTube, supporting the global developer community in Android and Flutter programming. His courses are highly practical, covering both beginner and advanced levels. Students work on real-world projects — such as building apps with Java & Kotlin, applying MVVM architecture, integrating libraries like Retrofit & Room, and using Firebase — and gain the skills to publish their apps on the Google Play Store.