Earlier this year we spoke with Epic Games CEO Tim Sweeney about why Vulkan API was important to the Galaxy S7. It was a trailblazer, he said, saying that the graphics prowess this device was about to have would be mind-blowing. Today we get to see more about what it means to have the connection Sweeney speaks of. Moving from OpenGL, developed back in the 1980s, to Vulkan API. It's radical.