faniebraai
RIP
Keep in mind only the S8 can do this. If you have an S7 or S6 sorry for you as I believe Samsung dropped MHL support for those devices.
Secondly if you need low latency the Chromecast is an absolute no go. One particular example is if you intend using the device along with Moonlight for game streaming from another gaming PC in the house. It's great that you can convert your phone into a powerful console and sit on the couch to game with a controller - except don't bother with a Chromecast.
You didn't read the article... this is in general, not related to the Dex