http://personales.ya.com/beemer/poibeep1.htm
General:
POIBeep is a POI (Points of interest) warner for Windows Mobile 5 based Pocket PCs.
It uses the GPS applet integrated in WM5 to control the GPS, then it will only work on this operating system. There are several PDAs where the OEM have disabled this GPS control Panel Applet, like QTEQ S200 and others. In these machines the applet can be enabled deleting any "Hide" or "Redirect" entry from the following registry key to enable it:
HKEY_LOCAL_MACHINE/ControlPanel/GPSSettings.
POIs are read from a ov2 file (the TomTom format) that must be in the same folder (usually \program files\POIbeep) and must be named POI.ov2. I've included a Spanish traffic radar file as example. Also I've included two freeware tools from TomTom: makeov2.exe and dumpov2.exe that could help doing our own POI.ov2 files.
POIBeep is VGA and QVGA compatible. Next version will support also landscape mode and quad display. While POIbeep is working, automatic backlight and PDA off are disabled.