I miss Mos Burger in Singapore and Hans
http://www.mosburger.com.sg/mos_menu.php
Hans would have this Beef super burger with egg that would leave in a happy food coma for a whole day
http://www.hans.sg/pages/call/10
Here in Shanghai , I found only good burgers in Carl's Jr & Burger King
When I was in Hongkong last month, MacDonalds had this Angus beef Mushroom Burger