Mozilla Fennec 4.0b2 for the "linux-i686" platform. The "Beta Tester Tools" screen.
<ul><li>Screenshot: <a href="//commons.wikimedia.org/wiki/User:AVRS" title="User:AVRS">AVRS</a></li>
<li>Mozilla Fennec: the contributors</li></ul>
MPL 1.1
own screenshot