the interview is nothing...the custom just ask you some random
and stupid questions. Sorry to disappoint you guys, but there's
no cavity search there...lol
http://www.smartid.gov.hk/en/index.html
http://www.immd.gov.hk/ehtml/hkid.htm#application
EDIT: arrh...here's the link
http://www.immd.gov.hk/ehtml/hkid_oversea.htm
nvm, i didn't the links above