It’s too easy and it’s making you think that you’re making progress, when really, you’re not.
You sending that kissing face emoticon or the one with heart-shaped eyes doesn’t mean a damn thing. You aren’t escalating the rapport.
Get to know her. Ask better questions beyond small talk. Flirt, but with intelligence and boldness.
Everyone else is already doing the same shit because it’s easy. Might as well stand out with some balls.
For that matter, stop using emoticons to chat with your friends. It’s impersonal. It’s too convenient. Type out a real message. Have a voice already!