I guess you want HK style Chinese food. Go up to highway 7 and Leslie St. or Woodbine Av. area (just north of Toronto ), where most of the Chinese restaurants are.
Time Square(richmond hill), 1st Markham Place, with restaurants and Chinese shops. Most of the restaurants at 1st Markham Place are pretty good. Northern Chinese, HK style western, Cantonese, everything. If the place is crowded, it's good.
I guess the most "HK like" place is Pacific Mall at the northern edge of Toronto, with hundreds of small shops like a typical HK 商場l in Mongkok, where people buy mobile phones, etc.
You can google search for these malls for directions.
Clubs: the entertainment district is downtown on Richmond St. between University Ave. and Spadina. That's mostly for people under 25. Like here for detailed listing
http://www.nowtoronto.com/whatson/