Has Walmart ever made apps for departments for example one showing clothes another showing shoes with out having to go out, people could download the app

Charles you could pretty much do the same thing with the Walmart app. Select what your looking for by department then, choose the option for in-store only.

Yes

You can search by department on their app. Just make sure you select a store near you to get specific and choose the in-store option.

You can search by department on the Walmart app.

Not that I'm aware of