I've selected the responsive option in Cashmere and it works on most pages - as the screen gets smaller the drop-down menus disappear and the alternative tablet/phone menu button appears at the top of the screen. But not on the front page!
Website: http://www.radioindies.org/new2
The effect (or non-effect) can be seen in Safari and Chrome on a laptop, or on Android's default internet browser on smartphone.
Admin log-in details as before