we are planning to stay in Royal View Hotel. How will we get to Disneyland and ocean park

From the hotel to Disneyland: Firstly, you need walk to Tsuen Wan Metro Station, then take Tsuen Wan Line to Lai King Station. There you can transfer to Tung Chung Line and get off at Sunny Bay. Disneyland Resort Bus there can take you to Disneyland.

From the hotel to Ocean Park: Similarly, you need walk to Tsuen Wan Metro Station to take Tsuen Wan Line. And you should get off at Admiralty Station where there is bus no. 629 to Ocean Park directly.