Yes, it's multi language and using a language file. The language file is a text file (it can be edited with whatever text editor) having all the words and phrases showing up on the user interface. So in order to add a new translation, it's necessary to translate this language file. We also have ready translations available, please don't hesitate to contact us and let us know the language you may be interested in and we'll get back to you after that with more information for it.