Amazon.com description: Product Description: Android is a mobile operating system which can be used on different mobile devices such as phones and tablets. The android system was made by Google. It has many features and makes having a phone or a tablet easy to use. The screen is sensitive and can be used to gain access to various Apps. This guide will show you how to navigate through the various controls and how to protect your device. You will also learn how to effectively use it to maximize the settings of each function.