You mean, the flag? I can jump trough the flag's platform and the next platform just fine. Actually, I have walked, ran, and jumped trough all levels many times, both in Android and Windows. In what platform are you playing at?
Well, since this bug can't be reproduced (and might as well only happen while hosted) I guess I'll consider as solved...? I'll add an download option soon. Anyways, thank you for the feedback! ^^