The Spanish word for store is "Tienda".
You can say "En la tienda".
eklaoda
supermercado = supermarket
When you want to say toy store in Spanish, the word is juguetería
almacén de piensos
tienda de deportes
Estoy en la tienda.
It is the same in French, English, and Spanish: boutique (a specific type of store or tienda).
mi tienda favorita es
Because Hollister is a brand name store, it would not have a Spanish translation. Hollister is Hollister in both Spanish and English.
I think it's horas de tienda. :)
Tienda de mejora hogareña