Emoji - also called, emoticons or smiley faces. iOS and Android natively support 845 emoji, and Facebook supports half of them, including choices such as heart/love symbols, stars, signs and animals. After you insert these emoji codes into Facebook, your friends will see the colorful icons across all desktop, iPhone and Android devices.
Here is the complete code list of Facebook emoticons. You don’t need to install any software, extension or mobile app. Just click on the following icons to copy, and then paste them into Facebook. Don’t worry if you see an empty square, because Facebook will convert this to a colorful icon once you post it. Emoji can be used on Facebook statuses, comments and messages. Just copy and paste the emojis to use in Facebook.