Is the intelligent epidemic prevention and health Nanning applet reliable?

If you want to eat, you are used to opening small programs nearby, and there will be many coupons. It feels good. Including some clothing stores, occasionally travel, buy some favorite clothes, collect their small programs, check whether there are any new goods on the shelves at any time, and you can also see the activities done by merchants, place orders directly online, and the store will deliver them directly to me.