If your player character's roll is a mayor just like that in Animal Crossing: New Leaf, you can run public works projects to provide infrastructures in your town.
Notes are currently based on how public work projects go ahead with in Animal Crossing: New Leaf.
Work in progress...
Items you receive:
Rewards you receive:
Animal Crossing App at Nintendo Direct [Sep 13, 2017]
Cyrus (Animal Crossing Pocket Camp)