This package displays emojis in Emacs similar to how Github, Slack etc do.  It
can display plain ascii like ':)' as well as Github style emojis like ':smile:'

It provides a minor mode `emojify-mode' to enable display of emojis in a buffer.
To enable emojify mode globally use `global-emojify-mode'

For detailed documentation see the projects README file at
https://github.com/iqbalansari/emacs-emojify