The above video has actually been out for over a year, but it's one that we somehow missed. It's an Unreal Engine 4 demo running on the NVIDIA Tegra K1 mobile chip. It's a great example of just how quickly mobile graphics are evolving, and the amazing graphical fidelity we can expect from our mobile gaming.
A new gaming API called Vulkan graphics and a new gaming specification called OpenGL ES 3.2 were just announced today by the Khronos Group (which is an open consortium of leading hardware and software companies). Here's an interesting article that goes into these new graphics technologies in greater detail: OpenGL ES 3.2 and Vulkan everything you need to know
Setting all of this tech jargon aside, it's just incredible what games can look like nowadays regardless of platform.