Evolution of Android Operating System and it’s Versions

Android is a software stack for mobile devices that includes an operating system, middleware and key applications. It can be considered as a software platform as well as an operating system for mobile devices based on the Linux operating system and currently developed by Google. It is designed primarily for touch screens mobile devices such as smartphones and tablet computers. One of the most widely used mobile OS these days is android. It is free and open source software its source code is known as Android Open Source Project AOSP , which is primarily licensed under the Apache License. This Paper Contains android architecture consists of key applications, Application framework, Native libraries, Android runtime, DVM, Linux Kernal., Many versions of Android Operating System are KitKat, JellyBean, Honeycomb, Froyo etc… Advantages and Disadvantages of Android and also the conclusion. Aishwarya Gujar | Prof. Pratibha Adkar "Evolution of Android Operating System and it's Versions" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-4 , June 2021, URL: https://www.ijtsrd.compapers/ijtsrd42519.pdf Paper URL: https://www.ijtsrd.comengineering/computer-engineering/42519/evolution-of-android-operating-system-and-it's-versions/aishwarya-gujar