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Mobile app design

Grand Plaza. Everything in the mall, one tab away

A mobile app for the Grand Plaza mall that brings events, services, prize campaigns and offers into one place. Amounts and codes on screen are sample content.

Contribution
Product flows and interface design
Project status
Interface design · Figma archive

See it on Dribbble

Mockup of Grand Plaza composed for this board from real screens of the project.
Mockup composed for this board from real project screens.

Screens from the original design in Figma and Dribbble, with sample data.

My contribution

Grand Plaza is a Portuguese-language app for a shopping mall. A bottom bar divides it into Início, Prêmios, Ofertas, Lojas and Perfil, with Ofertas raised in the centre as the one tab that breaks the line.

The Figma archive keeps the process beside the screens: wireframes from v0 to v4, a mind map, a sitemap and a user flow with a content map. Here I show the designed screens next to the map that organised them.

A walkthrough of the design’s screens, not a recording: onboarding, the Home and the prizes.
Four app screens in a row on a dark background: home, the Prêmios campaign, the services grid and an event page.
Home, Prêmios, services and an event page, in a version with Serviços in the tab bar.

One event at a time

Home gives most of the screen to a single event: a large photo card with the name, the dates and one Saiba mais button, and a carousel indicator showing there are more. Below it sit three service shortcuts, mall map, parking and cinema, with a Ver todos link to the rest.

Home screen with the Grand Plaza logo, a large photo card for the Noites Culturais event with a Saiba mais button, three service shortcuts and a bottom bar with a raised Ofertas button.
Home leads with one event, then the main services.

A campaign that says what is left

The Prêmios tab runs on receipts. A campaign card states, in three short lines, what the person has already registered, how much more earns a gift and how much more earns a lucky number. Cadastrar nota fiscal is the strong button and Saiba mais the quiet one, so the next step is clear before any explanation is needed.

Prêmios screen with an Eu Faço campaign banner, the amount already registered, what is left for a gift and for a lucky number, and a Cadastrar nota fiscal button.
Prêmios shows what is left to reach each reward.
Onboarding screen with a black, pink and yellow illustration of app windows, a key and a rocket, a welcome message and Próximo and Pular buttons.
Onboarding introduces the app in three steps.

A long list of services, mapped first

The mall offers more than a tab bar can hold, so Serviços do shopping collects fourteen services in a single grid, from the mall map and parking to coworking, bike racks and EV charging. Offers end on their own screen, with the discount, a code, a QR code and an expiry date to show at the store.

The user flow and content map lays this structure out as a tree of screens branching from the home. The file also keeps two versions of the prototype, one with flat icons and one with 3D icons.

A diagram titled Fluxo do usuário e content map, with a tree of screens branching out from the home across numbered rows.
The user flow and content map behind the screens.