Simple/cheap transport from Kai Tak Cruise Terminal to - Avenue of Stars

From the ferry terminal, you can take the local bus line 86 to reach Kowloon Bay (Telford Garden) and then walk to the MTR Kowloon Bay Station - A Exit nearby to take the Kwun Tong Line to get to Yau Ma Tei Station and then change to Tsuen Wan Line to Tsim Sha Tsim Station. Follow the direction boards to find the exit to Star of Avenue and the Star Ferry Terminal near this station.
From the Star of Avenue, you can walk to the TSIM SHA TSUI EAST (MODY ROAD) easily to find the bus line 973.