CryptoKitties - Breed and collect adorable creatures using Ethereum
Discord Emoji - Iconfinder, but for emoji.
Cryptocats - Cute little 8-bit cats on the Ethereum Blockchain
Emoji CSS - Add Emoji's to your website
Mars Genesis - 10,000 unique parcels of Mars stored on the blockchain
Emojination - A simple design tool combining emojis and modern aesthetics.