This is just simple game where you need to dive down by keep tapping and avoid any potential objects that able to block you reaching the finish line, including stars. You need to claim as many stars you can for scores. This stars also able to hold you if you recklessly obtain it. there is no breath indicator in this game, breath indicator just in your thumb that how you still able to dive or not. Dont forget to take rest if your thumb tired.
Have fun and enjoy.