When viewing PHP - Submit button does nothing in Opera Mobile 12.00, the
<form method='post' action='http://cogameservers.com/home/contact'> Email: <input name='email' type='text' /><br /> Subject: <input name='subject' type='text' /><br /> Message:<br /> <textarea name='message' rows='15' cols='40'> </textarea><br /> <input type='submit' /> </form>
section of the code not only renders the input areas, but also a working submit button. Strangely, I haven't found another question with the same effect.
Edit not by OP:
Here's what the page looks like in Opera 12 Mobile on ICS when using the desktop layout, the mobile interface and the mobile interface with Turbo disabled, respectively: