What does Shih Dao name and tiles mean?
the link you provided already shown the answer:


  shih dao is a clone of ishido: the way of stones


so shih dao is 石 (stone) 道 (way)

the six characters on the tiles are:

大 - big

中 - middle

小 - small

春 - spring

由 -cause

東 - east

have fun :)