Question: When would you use a product flavour in your build setup?

1. when you need to have the app's strings present in multiple lanuages
2. when you have to provide different versions of your app based on the physical device size
3. when you want to provide different versions of your app based on the device screen density
4. when you want to provide different version of your app with custom configuration and resources

Answer: The correct answer of the above question is Option D:when you want to provide different version of your app with custom configuration and resources