Sorry my english is pretty weak.
[attachment=0:2wk5i7d3][/attachment:2wk5i7d3]
Here, i made a little example of that, try to tilt your device left and right, i just try that on cocoonjs 2.0.2.
Btw, is there any way to test tilting on browser?
Only if you had accelerometer in your device, i don't know any other way. Maybe someone else know how.