While Twitch isn’t required to play Superfight, broadcasting to Twitch allows a player to bring their audience in on the game. As a viewer on Twitch, an account is required to vote on games.
To get started on Twitch:
There are a number of solutions in place to broadcast to Twitch. Broadcast software includes:
OBS - https://obsproject.com/
Xsplit - http://xsplit.com/
Infiniscene - https://infiniscene.com/
Twitch offers additional information on how to get started: