Why do I need CodeWorks to develop UE4 games for Android?

I want to develop games for Android with UE4. Installed engine and nvidia codeworks. I am able to develop something with UE Editor + Visual Studio or use NVIDIA CodeWorks plugin in VS to develop Android android applications, but without any integration with UE4.

Why do I need to have NVIDIA CodeWorks plugin for Visual Studio installed at all? I don’t see how it is integrated with UE4 editor. Am I missing something?

Thank you!

I want to say you read this page?

It has been some time since I did some android stuff so let me know what you find.