How to create multi language app

There are two scenarios for adding several languages to the application:

1. Combining of several applications in one. For this:

• Go to your account
• Create applications with the languages you need
• Create the main app where you will add the apps with different languages
• Add iFrame gadget in the main app 
• Add links to the apps with translations

2. Duplicate content in one application

• Go to your account
• Create app
• Add gadgets on first language
• Combine gadgets through subs option:

• Add the same gadgets on another language
• Combine these gadgets through subs option too
• Make these steps for other languages in the app
• The result of main page: