Plain physics is the core mechanic in Roller Ball 3D Fidget. i find the tilt controls to be the main input for guiding the ball.
Step through the levels, tilt the device to guide the ball.
The controls are tilt to guide the ball. The game uses physics as the main mechanic with stated features of tilt controls.
Most players should focus on the tilt control. The physics are tricky and mess with your timing so go slow.
Q: What are the controls? A: The controls are tilt to guide the ball.
Q: What is the objective? A: Not stated.
Q: What stated features exist? A: Tilt controls are stated.
Q: What is the main mechanic? A: Physics is the core mechanic.