Yes, only copy-paste is the way to add emoji in your title. This forum only provided few standard emoji, as you can see when you want to create post/thread.
@OP this, or you could also add emojis if you’re on your phone, and if you use Windows 10. Just hold the Windows key on your keyboard and press on the .(dot) key and an emoji list should appear:
Probably one of the best update that i used in windows 10.
😊😂🤣❤😍😒😘👌