If you want to modify the Kudos Emoji that team members can give, head over to the Sweet Kudos General Settings page.
To set your Kudos Emoji, click on the Emoji icon, and a screen displaying a list of Emojis will appear.
You can choose any Emoji to represent your Kudos and create a unique language within your team. Whenever you send a message of appreciation to someone, this Emoji will be included and counted towards their total number of Kudos.