One huge piece of news comes from word-of-mouth at the event and, while the mouth(s) in question can be trusted as being in the know, the information is unofficial and unconfirmed as of the time of writing. What is this information? As the title says, a partnership between Samsung and Valve to bring Steam to the new S10 range of devices.
What was specifically stated is as follows:
If you leave your PC on at home, you can actually stream from your PC to your phone. So you can actually play Steam games on your phone whilst your PC is on at home.
https://wccftech.com/samsung-valve-s10-range-steam-streaming/
Tnx eonden