As software, applications are nowadays essential to manage many of the daily activies and even decitions that human beings carry out. If software is a program used to manage a computer, a production line or even a domotic house an application is something more specific.
We use applications in order to chat with friends, to book a train ticket for our holidays back home or to check that everything is right at home when we are on holiday and far from. In order to manage everything the user must have a good user experience, and in order to do so the localization of the app is essential.