Plain physics makes the ball move in wonky ways. i found that the simple tap controls are easy to pick up and the holes are tricky.
You aim by tapping and drag to set power, the controls are simple and the physics are unpredictable.
You tap to set angle and drag for power. The buttons are just the screen you touch.
Most aiming higher then you think helps a lot. Use small adjustments for power because less is usually more.
Q: What are the controls? A: Tap to aim and drag for power then release to shoot.
Q: What is the objective? A: Shoot balls into holes on logs.
Q: What is a stated feature? A: You can unlock most levels without paying.
Q: What is the main mechanic? A: The ball moves with wonky physics.