Minimap for new users, but there is a much larger selection of emotes using the Auto Complete Feature
Several Twitch Emotes are animated
Some Twitch Emotes change for the holiday season (including Halloween!)
Emotes can appear in mail
Usage in chat
Krug
Simply begin typing as you would on Twitch or Discord with a colon : prefix. Use Tab & Shift-Tab to rotate through options, hit colon again to select or Enter for quick send
You can mouse over an emote to see it's name, and shift click to repost it
Shift click the minimap icon to see statistics