Few interesting thing which you can download and user for you java- mobile
The application starts up displaying a globe representing the planet on
the screen of your mobile
Email Reader- Gmail, Yahoo!, Hotmail, AOL:
FREE Mobile Email and RSS. The fully featured version is completely
free–no time limit. Supports Gmail, Yahoo!, Hotmail, AOL and all POP3
and IMAP services.
Instant Messenger – MSN
Free! QuickIM Mobile Instant Messenger for Java Phones, MSN Compatible
Opera Mini Browser:
Opera Mini™ is a fast and tiny Web browser, that allows you
to access the full Internet on your phone.