WhatsApp Messenger is one of the most popular apps for chat in mobile phones. The app has been bought by Facebook and it has more than 800.000.000 users around the world. The regular updates help to improve the service. Recently the function of Internet calls has been introduced for WhatsApp users, along with the web version of the app.
If you want to customize your WhatsApp Messenger, then you can choose between hundreds of wallpapers that you can download from Internet.