MiniPauker is a flash card based learning application for mobile devices and handhelds. It is based on the leitner cardfile system and is compatible with Pauker (http://pauker.sf.net, the desktop version of this software). MiniPauker uses a combination of ultra-shortterm, shortterm, and longterm memory. You can use it to learn all the things you never want to forget any more, like vocabulary, capitals, and important dates.
J2ME ChartComponent is an MIDP 2.0 charting component with basic functionality for showing charts on embedded devices. It currently implements horizontal bar, vertical bar, and line charts. An incomplete and experimental pie chart component is implemented, as well as a very simple 'legenda'.
Navlet is a navigation system for mobile devices such as PDAs, smart phones, and cell phones. It retrieves positioning data from any NMEA capable GPS receiver and displays the position on a digital map. External GPS receivers can be connected via a serial cable or Bluetooth. If your mobile device is connected to the Internet, it can download maps from a map server, or alternative use locally stored maps. It is also able to send the GPS data to a server via an HTTP connection.