Emotes addon opens new ways to express yourself in Minecraft PE. Rather than typing something in the chat, show it with emotes. Anger, joy, or affection can be shown with the character's moves. The addon is setting off with 25 emotes in it, but I'm sure the list will update. Switch between Alex and Steve's models in the behavior pack's Settings.
Credits: Dexten Mods
How to start emoting?
Typing in the following command will get you started: "c/emotes" It'll get you an item that opens up emotes menu. If you have some problems going, watch the video.
Enable all Experimental gameplay features in your world's Settings.