Traditionally, telephones were only used for making telephone conversations; however, with the introduction of the artificial intelligence gadget, the savvy handset has evolved into a minimal hand-held computer device. The system software for cellular telephones, that empowered smartphones toward becoming technological advancements with their own computation and storage, sparked this innovation. The mobile phone currently offers a lot of functionality, including calling, messaging, audiovisual streaming, blogs, online media apps, document editors, data files, and a range of online play. The OS for these portable gadgets include Apple's iOS, Microsoft's Windows, and Google's Android. Android has the biggest industry presence amid competitors in terms of devices shipped and customers in the android mobile os system industry. The Android OS is centred on the Code base, and apps are controlled by a programming interface that coordinates the actions of modules and the Dalvik hypervisors, that builds and combines all standard java assets as an unified package. Numerous compute nodes can run at the given moment on a physical unit, each handling different workloads or replicas of a program. The Android OS provides resource administration and control activities to running mobile applications. Each new edition of Android introduced innovative functionality and enhanced the customer journey. The paper looks at how the Android has evolved with every latest incarnation.
