It is not very clear from other comments and the only photo does not correspond to the place. This is a store where you can buy groceries, electronics, cosmetics and some souvenirs. There are several of them in this wing of the airport, I advise you to go compare prices. But the choice is very small by the standards of Dubai airport
Gifts From Dubai
Shopping Center, 156, Al Itihad Road, Dubai International Airport, Deira, Emirate of Dubai, United Arab Emirates luxury shopping center