Here's a quote from a PC Magazine writer. According to this, it doesn't support Palm OS.:
"VZ Navigator is now working on the Motorola v325, RAZR V3c & V3m, LG the V, and Samsung A930 phones. Perhaps surprisingly, it doesnt work on either the Treo or the Motorola Q yet, because it doesnt support those OSes. The other phones are much more widely used, but Id still like to see it on ...



