Test it here: https://e-ugovor.rs/level_rotator/

Or download test apk and test it on your android device: https://www.dropbox.com/s/1k0lj9dhqlrotw8/level%20rotator%20test.apk?dl=1

Drag finger left and right to rotate the level and to avoid obstacles. As it progress it becomes harder and harder. Try to complete all 28 levels.