Developing a Chrome extension for a custom remote control

I was trying to find answers for that but it seems there are thousands of resources so I’m feeling a bit lost.
What is the SDK to allow me to control the TV from a browser? thanks

As you say there are a thousand sources and nothing specific. As far as I know there is no SDK or very useful tutorials around.

I would suggest you look at Smart Things and see if there is anything there.

Remember that Samsung TVs are Tizen OS and not Android TVs.

Samsung Developer Relations

Thanks! Basically, I need to use the same APIs that SmartThings apps are using. Where can I ask or find that? Which forum? Thanks

Go To the Smart Things portal and open the Community link there.

Samsung developer Relations