Word Shark for Palm OS Description:

Word Shark is a fun word game for the palm. Race against
time to spell as many words as possible from a 4x4 or 5x5
grid of letters. Words are validated against a local dictionary
as you enter them. The demo version scores on words 3-5
letters long and operates in single player mode. Purchase the
complete version to score on word 3-8 letters and compete
against other players in a round-robin.