Next to the old airport in San Po Kong, good luck getting there as it's only remotely close to any MTR station. Pretty much mini-bus or bus only.
Panoramio - Photo of 新蒲崗Mikiki商場入口 (2011-04)
It's pretty much empty at the moment, a handful of stores open. It's beneath a large apartment complex, The Latitude.
Mikiki@The Latitude . Kai Tak Metroplis | Facebook