Vieira, LeandroBernardino, AnabelaBernardino, Eugénia2021-10-282021-10-282020978-989-8704-24-5http://hdl.handle.net/10400.8/6286Electronic commerce is generally seen as a competitor for physical stores, however, this paper proposes a solution where they work side-by-side to improve the in-store customer experience. An application directed for store retailers was created with the cross-platform framework React Native, making it available for Android, iOS, and the web. Using thebe of their interest, and place orders, providing the customer with a unique and faster shopping experience.engCross-PlatformE-CommerceMobileReact-NativeReduxCS-CartCROSS-PLATFORM DEVELOPMENT FOR E-COMMERCEbook part