Install Emoji keyboard ✌️
2. Add this layout to the folder: /Library/Keyboard Layouts/
3. Restart your Mac and go to Settings -> Keyboard -> Input Resources.
4. Click "+" and go to Others. Activate the languages you just added and can remove your old layouts (don't worry you can always activate them back).
5. That's it, now you can type emojis by pressing any key with Alt+Shift to type the relevant emoji.
Q: How to remove my native U.S. English layout from my Mac?
A: There is a trick you have to do: go to keyboard layouts list, add Japanese layout. Now you can remove both English and Japanese ?