Plain gravity is the main mechanic in Squary Bird and the objective is to avoid pipes and obstacles. i found that pressing the screen makes the bird go up and gravity pulls it down.
Pressing the screen makes the bird flap its wings, to keep it flying between pipes without hitting them.
The control is pressing the screen to make the bird go up. The game has three birds and day and night backgrounds.
Most players should time their taps with the gaps to avoid obstacles. It is better to not tap too fast then you will lose control.
Q: What are the controls? A: Pressing the screen makes the bird go up.
Q: What is the objective? A: Avoid pipes and obstacles that appear in the path.
Q: What stated features are there? A: Three birds and day and night backgrounds.
Q: What is the main mechanic? A: Gravity pulls the bird down and timing is key.