Muscle-up is a cool move and besides that it is one of the basics of acrobatics or gymnastics. It can help you to do more advanced and hard tricks.
So, practice your pull-ups and when you can do at least 5 explosive ones you may attempt a muscle-up.
The way to the muscle-up:
1st step - 5 explosive pull-ups (better if you can touch the bar with your chest)
2nd step - try a muscle-up
This video also has my little progress in handstand push-up