Update 2010: Link to .jar file (if you want to install using phone cable or Bluetooth): http://m.google.com/mail/download/binaries/L1/2.0.6/mail_n60-3.jar
Older post continues…
Google started offering a new service for GMail users; you can download a J2ME application to your mobile phone and start browsing your mails. You do not need to connect through the web interface.
You can install the J2ME applicaiton by visiting (through your phone’s browser) the URL http://gmail.com/app/. This page will automatically detect which phone you are using (from the User-Agent string) and redirect to the correct .jad file so that the installation can take place.
If you want to install the J2ME application the traditional way, you can go directly to the URL http://gmail.com/app/v1.0.0/en/gmail-nokia-g.jar. (Of course, this URL is for a specific bunch of Nokia phones).
Quite strangely, the application gives me the error java.lang.IllegalStateException: Cause unknown, which does not help a lot.
Did anyone manage to install the thing?
Update (26Nov06): I managed to get the applet to work on my phone. Apparently my first mobile operator uses a strange proxy configuration that alters downloaded files (???).