Kissing Face: Also Known As, :-* Emoji, Duck Face Emoji, Kissy Face Emoji, Whistling Emoji.
Face with open eyes, lips stretched forward like kissing someone.
There are three other similar, with some minor differences Kissing Face With Closed Eyes, Kissing Face With Smiling Eyes, Face Throwing a Kiss.
Normally used to express love and affection.
* Approved as part of Unicode 6.1 in 2012.
* Added to Emoji 1.0 in 2015.