Software that simulates the Android operating system on a Linux-based computer enables developers and users to run Android applications without needing a physical Android device. This functionality is often used for testing applications, playing mobile games on a desktop environment, or accessing Android-specific features within a different operating system. For example, developers can debug their applications on various Android versions without owning multiple physical devices.
The practice offers numerous advantages, including cost savings by reducing the need for physical devices, increased productivity through faster testing and development cycles, and enhanced accessibility for users who may not have Android devices. Its origins lie in the need to streamline Android application development and expand the accessibility of Android applications beyond the constraints of mobile hardware. Historically, such tools were crucial for early Android development when physical devices were less readily available.