I uploaded ac-emoji to github. This package provides auto-complete source of Emoji.
I test only MacOSX.
I think this package is useful for writing Markdown or git commit message.
(add-hook 'markdown-mode-hook 'ac-emoji-setup) (add-hook 'git-commit-mode-hook 'ac-emoji-setup)
Please add emoji font configuration to your init.el. This configuration is not necessary if you use emacs with no window mode(
(set-fontset-font t 'symbol (font-spec :family "Apple Color Emoji") nil 'prepend)
ac-emoji which is auto-complete source of emoji. I plan to request this package to MELPA. If you have any suggestions or problems, please report me via github issue.