Knocking Girl is a music game which mix music element and action element.
*If you see a monkey when the app start, it's an unknow bug.Due to the phone model and Android version which cause this problem isn't regular, hope you can mail us your phone model and Android Version to help us fix this bug. Thank you!
We apologize for this problem.
Email : firstname.lastname@example.org
Our Facebook : http://www.facebook.com/KnockingGirl