Pharmacy/retail simulator

I need a pharmacy/retail simulator android game will be top down with monitozation and ads included but we will talk about that more ... the exaple of the game i can show you is supermarket village https://play.google.com/store/apps/details?id=com.codigames.supermarket.village.farm.craft.tycoon

Study the game before making a bid detail will be inclided once we staet the project

I need a game plan and yes ill explain how we will do it