Samsung Gaming Hub SDK - Samsung SDK

I want to integrate my game with Samsung Gaming Hub to take advantage of optimization features to improve performance on Samsung devices.

Where can I download this SDK to add it to Unity 2023.2.20f1?

I just tried to add a game to Gaming Hub and it tells me that the application is not a game, I tried to change something in the Unity project settings but I couldn’t achieve the result.

There are no SDKs required for adding games to gaming hub afaik.
Usually, games that are published on the Play Store / Galaxy store as games are automatically recognized and added to the gaming hub.