Select WiFi and enter your WiFi details - here's an example:
When I pointed my Android phone at it, the opposite popped up:
I clicked the Connect button to connect to this WiFi hotspot.
This could be useful if you have guests staying at your home, just give them the QR Code and they are connected. No messing around tapping on tiny smartphone screens while your supper is getting cold!
NOTE: The WiFi hotspot mentioned here and the QR Code are just examples!