Samsung has recently filed a request to trademark "Super ISO". The request was filed with the UK Intellectual Property Office. We could expect the feature to be present in the Galaxy S20 series scheduled to launch on the 11th of February.
ISO is responsible for the camera's light sensitivity. High ISO usually results in high noise levels in the image while low ISO makes the image more clear with better dynamic range.
However, if the lighting conditions are poor, the camera relies on high ISO to capture the most details which might result in grainy shots. Samsung's Super ISO could kick in here to make the image quality better while preserving the details. We could expect the feature to be incorporated into Samsung's night mode.
Note : also it would be cool if it implements computational photography like Google pixel and iPhone.
