How to internationalize your Apps?

From the App perspective, you can use the App Message Hash Variable to make sure that your app is internationalized. 

You can also refer to Hash Variable - App Message (Internationalization)

How to set up the platform to support internationalization?

Joget Workflow supports multi-language from platform perspective as well as from the user perspective. To ensure that you have the language files, please download from https://translate.joget.org and import the respective language files into your installation. 

More info: Manage Messages