You can check these out!
Food
大众点评
China’s yelp
Besides restaurants, also has bars, recreation places etc.
Sometimes has 活动, discounts happening at selected places
Delivery Apps:
-美团
-饿了么
Will share Angpaos WeChat for discount codes
Regular deals:
Mondays: 1-for-1 burgers
Tuesdays: taco tuesdays (buffet)
Thursdays: Ladies Night