About Apple Emojis
Apple emojis are displayed on iPhone, iPad, Mac, Apple Watch and Apple TV as part of the Apple Color Emoji font. iOS, macOS, watchOS and tvOS all display the same emoji set from Apple. iPhone X models also support interactive Animoji and Memoji features.
The following two Private Use Area characters are not cross-platform compatible but do work on Apple devices:
iOS 12.1 Beta
The most recent public emoji update from Apple came as part of iOS 11.3 in March 2018. This is displayed below.