Press the Options button in the main menu.

This will bring you to the Twitch Settings Tab

The Auth button will open: https://twitchapps.com/tmi/.
This Token will be used to Read Chat.
! Don't show the token to chat !

You can also connect to another streamers chat by putting their channel name in the field: Channel Name, So even if you don't stream, you can experience the same as your favorite streamer.

Commands:

• !push left - pushes the player to the left
  
• !push right - pushes the player to the left
  
• !jump - pushes the player up
  
• !down - pushes the player down
  
• !invisable - makes the player invisible
  
• !rotate - rotates the camera upside down
  
• !zoom - moves camera closer to the player for a short duration

If you have idea's for commands, please comment it on this guide.