Coins are the main reward for playing. You need to aim the cannon and shoot bombs at boulders to make them crumble. The game mechanics are very simple to learn but hard to master, which is why i keep playing it over and over again.
Clicking to fire the cannon starts the action. You aim at giant boulders and shoot bombs to smash them, collecting coins as they break apart. The controls are straightforward, but you need precision for the larger rocks and obstacles, making the gameplay loop addictive and rewarding for your score.
Often, i find myself just tapping the screen to shoot. You use a powerful cannon to blast bombs at boulders, which is kinda weird anyway, but it works. The buttons are simple, you just tap to aim and shoot. Their progress gets saved as you collect coins and boost your score, making it easy to play on a phone.
Quick tip, i discovered this myself. Focus on the larger boulders first because they give more coins when they crumble. The mechanic is to aim carefully and shoot, then you will get a higher score. It is better to plan your shots then just randomly firing at everything.
Strategy is the main thing you need. The core mechanic is aiming a cannon and shooting bombs at giant boulders to make them crumble. You collect coins to boost your score, which is the main stuff in this hyper-casual game. The controls are just tapping the screen to shoot, and the features include larger boulders and obstacles to overcome as you progress.