Actually, the Camera+ developers filed a feature request and asked Apple to add the volume-button-as-shutter feature. See: http://taptaptap.com/blog/cameraplus-

Actually, the Camera+ developers filed a feature request and asked Apple to add the volume-button-as-shutter feature. See: http://taptaptap.com/blog/cameraplus-volumesnap-rejected/ http://taptaptap.com/blog/cameraplus-volumesnap-rejected/ So I imagine they're pretty happy with this development.