Emojis for Instagram/Facebook on nexus 5x?

[Nexus help]

I recently got the new nexus 5x and am trying to figure out how I can add emojis to my Facebook status or Instagram posts. I'm not tech savvy so any detailed help is appreciated!

 

[thomasdtran]

Check out SwiftKey Keyboard

 

[mth785]

On the stock google keyboard, long press on the return key then slide up to the emoji.