Android is a Linux-based operating system designed for touchscreen mobile devices. It allows abstraction between hardware and software and includes enhanced GUI, integrated utilities, and pre-baked APNs of major networks. Devices that run Android include smartphones, tablets, televisions, game consoles, laptops, cameras, smart glasses, watches, car entertainment systems, and more. Developing Android applications requires knowledge of object-oriented programming concepts, Java SE, XML, and installing the Android SDK within the Eclipse IDE. There is high demand for Android developers due to the wide range of devices and apps that can be created for Android.