I\'m building my website and I want to know whether the user is using Android\'s browser or an app with a webview.
is it possible ??
yes and you can optimize your website by adding these meta tags
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;" />
<meta name="HandheldFriendly" content="True" />
you can find more information here http://learnthemobileweb.com/2009/07/mobile-meta-tags/