Android software development is the process in which applications are created so that the app can run on the Android Operating System. Android OS is a widely used, popular, and user-friendly mobile platform. Android applications are programmed in java language. Developers can make use of existing java IDEs which also helps and gives flexibility to the developers. In this paper, the approach for android application development is discussed. Moreover, a brief introduction to new android platforms including the framework as well as the design and how the app is built is discussed. Android is a software stack for mobile devices that includes an operating system, middleware, and key applications. Android is a software platform and operating system for mobile devices which is based on the modified version of the Linux operating system and is developed by Google and the Open Handset Alliance. It allows developers to write and manage code in a Java-like language that utilizes Google-developed Java libraries but it does not support programs developed in native code.