Less than optimal transit station
From Wong Chuk Hang to Fo Tan: 1. Wong Chuk Hang to Admiralty; 2. Admiralty to Mong Kok; 3. Mong Kok to Kowloon Tong; 4. Kowloon Tong to Fo Tan. The recommended route by the app for No. 2. was Admiralty to Prince Edward, at Prince Edward, one would have to go to another floor for the transit. And transiting at Mong Kok only requires one to cross to the opposite platform.