If you're a fan of Korean dramas, then you'll be happy to know that there are several ways to watch them on your Samsung Smart TV. The first way is to download the DramaFever app from the Samsung App Store. Once you've installed the app, simply sign in with your DramaFever account and start streaming.
Another option is to use the Netflix app to watch Korean dramas. While not all Korean dramas are available on Netflix, there's a decent selection to choose from. Simply install the Netflix app from the Samsung App Store and log in with your account.
Finally, if you want to watch Korean dramas for free, then you can try using one of the many streaming websites that offer them. Just search for Korean drama stream in your favorite search engine and you'll find plenty of results.