I don't know if anyone else has tried this software for a Palm Pilot, but it is awesome.  It was advertised in BTM this past month, and I was so intrigued by it, I bought a bottom line Palm just for this software.  It's everything a serious bowler could want, tracks practice and league/tournament scores on various pairs in various houses, allows you to go back and replay games frame by frame, keeps track of what equipment you used, and where you were playing, what if any, adjustments you made, and whether or not it worked.  I highly recommend this software to anyone considering it.