Does Animal Crossing: Let’s Go To The City let you play NES games

There is no way to guarantee a Golden or Silver axe, but yes, there are some guidelines:

• Be honest. If she asks you if you threw in a Golden or Silver axe, tell the truth and say you just threw in a plain one.
• Be polite. If she asks you if you if you want something, say "Yes, please".

There is a more specific answer guide here: http://www.animalcrossingcommunity.com/accf_town_fountain_guide.asp.

You do not have to worry about manually watering plants while it's raining or while it's snowing! Both of these forms of precipitation will properly hydrate your plants without the need to run around with your watering can.