Elements of Aeronautics is a free educational app developed by Engineering Hub for Android devices. The app is designed to provide a comprehensive guide for aeronautical engineering students, covering almost all the essential topics indexed chapter-wise. The app includes graphics, illustrations, and diagrams to help students understand the concepts better.

The app is divided into five chapters, starting with a historical evaluation of aviation, space flight, and Indian space experiences. It then proceeds to cover aircraft configurations, principles of flight, airplane structures, and power plants used in airplanes. The chapters are further divided into subtopics that cover the essential aspects of each subject.

Overall, Elements of Aeronautics is an excellent resource for aeronautical engineering students who want to learn more about aviation and airplane design. The app is easy to navigate, and the content is presented in a clear and concise manner. It's a must-have app for anyone interested in pursuing a career in aeronautical engineering.