I'm a Disney kid who grew up into an adult who still loves escaping into fantasy and have visited most disney parks around the world. Disney HK is worth the trip. Mystic Manor is Imagineering in top form. The park layout makes it easy to enjoy in less than a day but I'm sure you could spend longer. Shuttle service to the Disney hotels made everything really convenient. Unfortunately I had a bad experience on opening day of the new Explorers Lodge but I trust Disney will fix issues  I just felt harrased and as if the magic of a Disneyland was stolen from me. Either way, Disneyland HK was super fun  I recommend checking out some of the products you can only get in the gift shops  I picked up an awesome Star Wars limited edition collectible and was just really caught up in the Disney magic until I left and went back to the lodge. Definitely go to Disney HK. My friends had just gone and also recommended downloading the app to help navigate and get useful tips. 