With GyPSii mobile you can:
jibjib is another open source J2ME Twitter client designed for all twitter’s on the road. One hand controls the wheel and another hand tweets along the road.
TrekBuddy is a freeware GPS navigation and tracking application for Java J2ME mobile devices.
GpsMid is a Java J2ME mobile application with use OpenStreetMap Data. it’s free, fully offline, vector based map application for your cellphone. It displays your current position on a zoomable map and can be used to search for and navigate to roads or points of interest of your liking. There is also Navigation support for car driver, biker and pedestrians.
ICQ for Java Beta mobile will use ICQ on your cell phone.
Rockola BT is a modification of an open source J2ME media player “Rockola” by Rafael Aparicio.
This modification fixes few bugs and allows you to use Sony Ericsson Bluetooth Watches (MBW-100/150/200).
SimulME is a J2ME application with Queueing calculator, Stopwatch, Monte Carlo simulation, Random Number Generator (RNG), Probability distributions, Kolmogorov-Smirnov and Chi-square tests. It works with MIDP 2.0 and CLDC 1.1 profiles.
Wizi SMS with Location is a tiny application that lets you share a location by text message so you can show your friends where you are at the moment or where you’re going to be soon. It sends a tiny url of your location map and can automatically add the full address or the GPS coordinates of the place you’re sharing.
Centurion by Hylevich Petr is a file manager for mobile phones.You can copy, move, delete and rename files. It lets you create zip files, and you can extract zip and rar archives.
Webuzz is a free all in one instant messenger that helps chatting to your friends on Google Talk (GTalk), Windows Live Messenger, Yahoo! Messenger (YM), AIM or ICQ.