The best alternatives to Dango are imoji, NYC Subway Stickers, and Emojiboard. If these 3 options don't work for you, we've listed a few more alternatives below.
Emojiboard is a custom iOS keyboard that replaces the standard "grid of a thousand Emoji" with a neural-net powered sketch recogniser. It turns even the most amateurish drawing of "smiling poop" into the hallow...