Allow your user to see the map in different languages to make your app international.
The language parameter determines the language of labels on the map.
It does not affect any proper nouns, like the names of streets, plazas, etc.
List of the supported languages can be found
Sample use case: You want to have all labels only in British English
To change language for the map:
//BRITISH_ENGLISH_CODE = "en-GB" tomtomMap.setLanguage(BRITISH_ENGLISH_CODE);
Map labels in English
Map labels in Russian
Map labels in Dutch