Interactive scrolling using face movement gesture
bower install --save polymer-gesture-scroll
or download and place into component folder
<!doctype html>
<html>
<head>
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>Polymer Gesture Scroll</title>
<link rel="import" href="polymer-gesture-scroll.html">
</head>
<body unresolved>
<p>An example of using <code><polymer-gesture-scroll></code>:</p>
<polymer-gesture-scroll></polymer-gesture-scroll>
</body>
</html>