When users download your app and use it for the first time, it's very important that they don't feel lost or confused. By adding a few screens to your app that welcome them and show them what they can do with it, you can make your users feel a lot more comfortable and confident. Such screens are often called onboarding screens. In this tutorial, you will learn how to create onboarding screens and add them to an Android app.
Source files for the Tuts+ tutorial: Creating Onboarding Screens for Android Apps
Read this tutorial on Tuts+