Android apps are software applications developed for devices running on the Android operating system, which is widely used in smartphones, tablets, and other smart devices. These apps can be downloaded and installed from the Google Play Store or other app marketplaces, offering a range of functionalities from productivity tools and games to social media and utilities. Developed using languages like Java, Kotlin, and C++, these apps can utilize Android’s features, including sensors, cameras, and location services, to provide a rich user experience.