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Case Study | Cross-Platform E-Commerce Companion App Development

Building a Cross-Platform E-Commerce Companion App for a Board Game Company

E-CommerceBoard GamesHeadless ShopifyMobile Companion App

FiftyFive built a cross-platform iOS & Android companion app that connects the client's physical board games with headless Shopify commerce, native game tools, & in-app customer support. Engineered on a Unity-ready Google Cloud architecture, it turns physical play into a direct-to-consumer sales & support.

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Client Overview

Bringing Board Games to Mobile

The client is a UK-based board game company known for party-friendly physical games. FiftyFive was engaged as the technical implementation partner — not the product owner — to extend the brand into a mobile companion experience. The goal was to connect physical gameplay with native digital tools, customer support, and direct-to-consumer e-commerce inside one application.

Challenges

The Challenges That Started It All

Connecting a physical board-game brand to a mobile app that could sell, support, and play meant unifying commerce, native game logic, and analytics without inflating the app or compromising security.

  • Integrating a native headless Shopify checkout required keeping a dual-state cart consistent between the mobile app and the Shopify Storefront API, avoiding mismatches during add-to-cart and order flows.
  • Existing web-based game tools had to become native components, with dynamic handling of assets, timers, buzzers, and configuration across multiple physical games rather than one fixed layout.
  • User IDs and order status had to pass securely into Zendesk support workflows, while granular telemetry, session mapping, and conversion-funnel tracking had to run without bloating the app payload.
  • The app had to coordinate Shopify, Zendesk, Helpshift, ByteBrew, and WebView sessions together, keeping each SDK stable, isolated, and performant inside a single cross-platform build.
  • The GCP-backed architecture had to be designed for future Unity-based game integrations, so later digital experiences could be added without re-engineering the foundation.
Solution

The Solution We Delivered

FiftyFive delivered a modular, Unity-ready cross-platform app on Google Cloud Platform that acts as both a commerce channel and an entertainment layer. FiftyFive integrated headless Shopify for native checkout, refactored legacy web tools into native game modules, wired contextual customer support, and instrumented product analytics — all inside one iOS and Android application built for future digital game additions.

Cross-platform app on a Unity-ready GCP architecture

FiftyFive built a single cross-platform application for iOS and Android on a modular, GCP-hosted architecture.

  • Cross-platform build serving both mobile operating systems from one codebase.
  • Modular architecture designed to host future Unity-based game integrations.
  • GCP-backed infrastructure for scalable, maintainable delivery.

Native headless Shopify commerce with dual-state cart

FiftyFive turned Shopify into a native in-app sales channel rather than an embedded web store.

  • Shopify Storefront API integrated for native headless e-commerce workflows.
  • Dual-state cart logic keeping app-side and Shopify-side carts synchronized.
  • WebView sessions used to complete secure, compliant checkout flows.

Native game tools refactored from legacy web

FiftyFive rebuilt web-based game utilities as native mobile components.

  • Legacy web tools refactored into native modules for timers and buzzers.
  • Configurable native components for game-specific assets, timers, and interactions.

Contextual customer support with Zendesk

FiftyFive connected in-app support to real user context to speed resolution.

  • Zendesk SDK configured to pass user IDs, order statuses, and support metadata.
  • Support routed with order context for faster, better-informed responses.

Product analytics and conversion tracking with ByteBrew

FiftyFive instrumented the app to measure engagement and commerce behaviour.

  • ByteBrew SDK integrated for event tracking and session analytics.
  • Conversion drop-off tracking and digital add-on purchase measurement.
Tech Stack

Tools That Powered the Build

E-commerce

Shopify Storefront APIHeadless Commerce

Cloud

Google Cloud Platform

Support

Zendesk SDKHelpshift

Analytics

ByteBrew SDK

Platforms

iOSAndroid

In-app Web

WebView Sessions

Future Integration

UnityPlanned Game Integrations
3 People

Team structure

1

Technical
Lead

1

Mobile
Engineer

1

Backend
Engineer

Results

Results That Speak Clearly

Client Since01 Apr 2025
Ongoing

FiftyFive delivered a single application that connects physical gameplay, native digital tools, customer support, and in-app shopping. The platform is live and creating measurable systems for tracking sessions, conversions, and purchase behaviour.

Direct in-app sales channel

FiftyFive gave the client a native headless Shopify checkout, turning the companion app into a direct-to-consumer sales channel alongside physical games.

Faster, context-aware support

FiftyFive routed user IDs and order status into Zendesk, so support agents respond with full order context instead of asking users to re-explain issues.

Clearer product insight

FiftyFive instrumented ByteBrew analytics to capture sessions, conversions, drop-offs, and in-app add-on purchases, giving the client visibility into real player and buyer behaviour.

Unified, future-ready platform

FiftyFive consolidated commerce, native game tools, support, and analytics into one Unity-ready app on GCP, ready for future digital game integrations.

FAQs

Frequently Asked Questions

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A board game companion app connects physical play to a mobile experience through native digital tools, in-app commerce, and support. FiftyFive builds cross-platform iOS and Android apps that add timers, buzzers, game assets, shopping, and analytics, letting a board-game brand extend gameplay and sell directly to players.

A headless Shopify mobile app uses the Shopify Storefront API for commerce while the brand controls a fully native app front end. FiftyFive uses this approach to deliver native checkout, custom UX, and app-side cart logic, so brands sell inside a branded experience instead of an embedded web store.

Cart synchronization is handled with dual-state logic that keeps an app-side cart aligned with the Shopify-side cart via the Storefront API. FiftyFive implements this pattern so items, quantities, and checkout state stay consistent across the mobile app and Shopify, preventing mismatches during add-to-cart and order flows.

Yes. A mobile app can complete secure, compliant Shopify checkout using controlled WebView sessions handling the payment step, while native code manages browsing and cart. FiftyFive uses this hybrid model to keep checkout PCI-compliant and trusted while preserving a native shopping experience elsewhere in the app.

Legacy web tools are refactored into native mobile components so features like timers and buzzers run smoothly on the device instead of inside a browser. FiftyFive rebuilt web-based game tools as configurable native modules, improving responsiveness and enabling game-specific assets, timers, and interactions across multiple products.

Zendesk support is integrated using the Zendesk SDK, which can pass user IDs, order status, and metadata into each ticket. FiftyFive configures this so agents see full context automatically, reducing back-and-forth and speeding resolution — especially valuable for e-commerce apps where support relates to orders and purchases.

E-commerce apps can track events, sessions, conversion funnels, drop-off points, and in-app purchases. FiftyFive integrates analytics SDKs such as ByteBrew to capture this behaviour without inflating the app payload, giving brands clear visibility into engagement, conversion, and add-on purchase patterns to guide product and commerce decisions.

Multiple SDKs are managed through careful orchestration so each runs in isolation without conflicts or performance loss. FiftyFive has coordinated Shopify, Zendesk, Helpshift, ByteBrew, and WebView sessions in a single cross-platform app, keeping the build stable, lightweight, and responsive while each service handles its own responsibility.

GCP provides scalable, reliable infrastructure suited to growing mobile apps and future workloads. FiftyFive designs modular GCP-backed architectures so apps can scale with demand and add new capabilities — such as Unity-based game integrations — later, without re-engineering the foundation as the product evolves.

Yes. An app can be architected to add Unity-based games later by keeping the structure modular and the cloud layer flexible. FiftyFive builds Unity-ready mobile architectures on GCP, so brands can launch a companion app now and layer richer interactive game experiences on afterward.

Timelines depend on scope, integrations, and native features required. A companion app combining headless commerce, native game tools, support, and analytics is typically an ongoing engagement rather than a one-off build. FiftyFive works in flexible engagement models with a two-week free proof of concept and monthly billing on actual hours.

FiftyFive provides mobile app developers experienced in cross-platform iOS and Android, headless Shopify integration, cloud architecture, and SDK orchestration. With 300+ professionals across offices in India, the UK, Sweden, and the UAE, FiftyFive offers time-zone-aligned delivery, flexible engagement models, and a two-week free proof of concept.

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