Two people are kissing or preparing to kiss, they have mouth-to-mouth, red or pink love on their heads
❤💗, and only one red lip
👄 is displayed on the HTC platform, which generally means kissing, but can also mean passionate, romantic, sweet things. You can see
👩❤️💋👨 kiss: woman, man,
👨❤️💋👨 kiss: man, man,
👩❤️💋👩 kiss: woman, woman.