Ball Blaster Canon requires you to blast boulders to earn coins for upgrades. i found that aiming at the center makes them explode faster.
Start by aiming the cannon, then tap to launch bombs at boulders.
Money is key for upgrades and new cannons. The game has simple tap controls to launch bombs.
Quick is the way to play but careful aiming is better then random shots. i discovered that saving coins for better cannons helps a lot.
Q: What do i need to do to destroy boulders? A: Aim the cannon and tap to launch bombs at them.
Q: How do i get new cannon types? A: You earn coins by destroying boulders to unlock them.
Q: Are there any stated timers or hints? A: Not stated.
Q: What is the main mechanic? A: Tap controls to launch bombs at boulders.