Allows you to play against friends and other users online.
Doesn't take up a lot of memory.
The interface is both attractive and easy-to-use.
Negative
It can be a bit repetitive.
Contains advertising.
Useful Tips
You'll need to spend some time calculating the distance in order to get the most out of your shots. You'll also need to move around quite a bit to avoid being hit by your opponent.
The gameplay is simple. If you search on YouTube you'll find videos that show you how to play.