ETNews says that the Samsung Galaxy S9 will feature a 3D Emoji feature that is more advanced than Apple's Animoji.
The Galaxy S9 series is equipped with the '3D Emoji' function, which is more advanced than the iPhone X (Ten) Animoji. The exact name will be announced on the 25th. Creates a 3D character based on the face of the user, and makes fine movements. It can be used in place of emoticons in characters and messenger. You can choose a stored animal character and so on.
The S9 is also expected to feature iris recognition and fingerprint recognition; although, the fingerprint sensor is said to have changed position under the rear camera.
The Galaxy S9 Plus will purportedly feature a rear dual lens camera with improved autofocus and an aperture of f/1.5. It's also said to have a new speaker on the side for better audio when playing games, movies, and music.
More details on the Galaxy S9 can be found here.