Experimental smartphone app for touchless map control via accelerometer
github.comI always thought it would be a neat HCI (or similar) experiment to create an app without any buttons. It would probably end up being a UX nightmare but the point would be to challenge the long held monopoly of the button/radio-button/checkbox/menu/etc gui elements that are present in every app.
How about adding some facial-expression-control. Like wink to activate, stick tongue out for next, shake for swipe. etc
such a facial-expression control may be interesting to integrate with the new facebook reaction emojis: http://www.wired.com/2015/10/facebook-reactions-design/