This can all happen automatically with my method, I simply rename the translation files to the language code of the translation file, then the application will automatically check if there is the translation file with the user’s language (the name of the translation file) and then the application will be translated into the received language (If the user’s language is not the language you will be given, it will be English). I explained it better here: How to effectively translate your application
If you still don’t understand, you can send me your aia and I did it for you