This Substratum theme lets you change emoji on WhatsApp.

Note:
> Theme works ONLY with custom 7.1.x/8.x ROMs with OMS support on any device and 8.0 stock ROMs on Nexus/Pixel devices as well as Samsung devices with Substratum Samsung Add-on.
> Theme might not work well on LineageOS based ROMs.
> Theme doesn't work on any other devices with stock ROM.
> You need substratum app from the Play Store to apply the theme.

Current Emoji Packs:
> Oreo
> iOS 11
> Emoji One
> Nougat

For more emoji packs buy the PRO version:
https://play.google.com/store/apps/details?id=com.thepsycraft.emojisubpro

Remove Emoji Pack:
> Open substratum app and go to 'Overlay List' under utility section of navigation drawer.
> tickmark the overlay of WA Emoji Changer PRO and tap on FAB to uninstall or disable the overlay.