Mobile app development is the process of creating software applications specifically designed to run on mobile devices, such as smartphones and tablets. Mobile apps can serve a wide range of purposes, from entertainment and social networking to productivity and e-commerce. This field encompasses various platforms, including Android and iOS, each with its own development tools and programming languages.

In summary, this course provides individuals with the knowledge and skills to create mobile applications for various platforms, opening doors to a wide range of career opportunities and creative possibilities in the mobile app development field.