Mobile App: A mobile app, or mobile application, is a software application designed specifically to run on mobile devices such as smartphones and tablets. Mobile apps are downloaded and installed from app stores (like the Apple App Store or Google Play Store) and are tailored for the smaller screens and touch interfaces of mobile devices. They can offer a wide range of functionalities, including games, social networking, utility tools, and more. Mobile apps can be developed for specific operating systems like iOS (Apple) or Android (Google), and they often leverage device-specific features like GPS, camera, and notifications.