This is one of my favorite game named World Snooker Championship Game. This game is compatible with your Nokia N73 but also compatible with the other S60 3th edition such as Nokia 3230, 3250, 3600, 3620, 3650, 3660, 5500, 5700, 6110, 6120, 6121, 6260, 6290, 6600, 6620, 6630, 6670, 6680, 6681, 6682, 7610, 7650, E50, E51, E60, E61, E61i, E62, E65, E70, E90, N70, N71, N72, N73, N75, N76, N77, N80, N81, N81_8gb, N82, N90, N91, N92, N93, N93i, N95, N95 8gb.World Snooker Championship Game for Nokia N73 is a free game and you can download by hitting the download link below.