Petuxa se kapio site ena programmataki Nav4All gia kinita to opoio dinei dorean ploigisi sta ellinika kai alles glwsses mesw GPS. An kapoios psaxnei gia GPS kai den thelei na dosei xrima tou protino na to dokimasei. I moni xreosi einai gia Wap otan katevazeis tous xartes tis kathe polhs