It's on .mobi website... it emulates behavior of a N70. Well not much to say except that emulator remains an emulator. The thoughest task on mobile world is to deal with a lot of various devices which is exactly what an emulator does NOT do!
Need to test ? get yourself the User Agent switcher add on for Firefox. It will do the job!

On the same topic read:
What’s .mobi Playing At Now?
On .mobi

Via dotMobi blog