Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.Tutup
About this Add-on
Press the menu button on your phone (or in the top right, for Android 4 phones without hardware buttons) and then choose "Phony" to select a user-agent.
Source code is available at http://hg.mozilla.org/users/mbrubeck_mozilla.com/phony/