Plain physics is the main thing you deal with and it feels wonky sometimes. i tap the screen to make a line and the ball rolls.
Tap to draw paths for the ball, timing your taps perfectly is the key.
You tap on the screen to draw lines. The ball follows the lines you make. The goal is to keep the ball moving.
Quick is not always better, patience is key. Most draws of shorter lines works better than long ones.
Q: What are the controls? A: You tap on the screen.
Q: What is the objective? A: Guide the ball to the end.
Q: What stated features exist? A: Not stated.
Q: What is the main mechanic? A: Draw lines for the ball to roll on.