An Android App is a little plugin that adds extra functions to an Android powered smartphone. Android App is the capability of the android OS/ platform that has made it the most popular and highly sought after choice of operating system or platform for many recent smartphone brands.
Due to the fact that Android is an open source operating system/ platform, so many individuals and companies have created numerous free and paid Apps that you can install on your smartphone and add extra functions to it.
There are all kinds of cool Apps in the Google play store website. So which functions do you want your Android Smartphone to have?? is it WhatsApp, Youtube App, Camera App, News Apps, Game apps, browser etc just go to the Google play store website and search for the App that will add the function that you want your Android smartphone to have. You don,t know how to install an Android App from the Google play store?.