My Shop
A "shop" is a place where things are crafted, prepared, or repaired, particularly by hand.
Hence, an ice cream shop, a coffee shop, a sandwich shop, a barbershop, a butcher shop, a workshop, a wood shop, a bicycle shop, a photo shop...
Generally, a store is an outlet or point-of-sale for things that come from elsewhere. Hence, a department store, a convenience store, a chain store, a thrift store, a consignment store, an antique store, a grocery store, a hardware store, the general store, the Apple store...