Android Environment and Information Security

Now days, Internet and Mobile is widely used for communication. Messaging, voice calling over Internet, sending images and music files are commonly used activities over phones. In the field of communication new invention has changed the working environment for users. The recent trend is of smart phones. These smart phones work on new operating system known as android. Android is a software platform that’s revolutionizing the global cell phone market. In these smart phones different application can be installed for specific purpose. The most popular apps for messaging is whatsapp. With the help of this app user can send music file, text and images. These techniques make the communication so fast. As well as the communication became easy attention toward information security increased. Data Security is the main concern for research. We use Cryptography or Steganography for secure communication. In Steganography we hide the message by different techniques. This paper provides the introduction to Android Environment and Steganography.