Originally Posted by hirohito888

SIN offers a lot more terminal amenities than HKG/TYO for a connecting passenger, but it is quite inadequate in terms of lounges (whether it's SQ/OW/ST or PP lounges). HKG on the other hand may lack all the terminal amenities of SIN, but it has much better lounges (CX/ST/multiple *A, Amex Centurion and PP and even HX). NRT/HND are no better or worse than HKG, TYO airports are just large efficient duty-free terminals catering to all the Mainlander tourists.