As of late 2019, smartthings has made their API public, and it is now up to the individual device manufacturers to provide a smartthings integration if they choose to do so. So you should make the request of them.
https://smartthings.developer.samsung.com/
That said, if it works with Alexa you may be able to use Alexa routines as a partial integration if the smartthings/alexa integration works for you.
Here’s the thread on the integration: