The popular smiling face with smiling eyes emoji is used to express genuine happiness and positive feelings. In popular culture, it also signifies hotness. The Fire emoji with flames convey a situation when something is on fire. The green check mark button is self-explanatory. The Sparkle emoji expresses positivity, love, happiness, and gratitude. The two hands emoji creates a heart shape, which exudes love and care. The read heart is used to express love and romance.