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Sioux Falls, South Dakota · Game companion device handoffs

Game Companion Phone Handoff Development for Sioux Falls Publishers

A story may intentionally move from a shared screen to a phone for a call, message or another focused interaction. The player still needs to understand which chapter they are in and how to continue afterward. We help Sioux Falls game publishers build that device handoff around the companion's access rules and saved progress.

Our Murder in Prague work, recorded in Czechia, pairs a Shopify storefront with a Next.js companion containing chaptered media, accounts, saved progress and a mobile-only step. It provides concrete evidence for a separately scoped game product. Curiosive uses AI to accelerate implementation under engineer review and stays involved as a long-term partner as the game and its digital experience evolve.

Start a partnershipFrom $2,000 per month
Concept of a detective-game chapter token moving between a tablet companion and a phone interaction
AI-generated concept artwork with fictional game material; not a Murder in Prague screenshot or physical kit.
25
published case studies
5+
years building for production
12
countries the work runs in
100%
of code read by a senior engineer
1 day
to hear back, from the engineer
Browse industry workflows →

Give the phone step a clear story purpose

Begin with one approved chapter and the moment that belongs on a phone. Decide what the player sees on the main device before moving, what the phone interaction owns and what indicates completion. Keep the handoff understandable for a group sharing a screen as well as an individual player. Agree whether the game requires a phone for this step and what the supported recovery route is when one is unavailable. The interaction should serve the story and fit the intended play setting.

Relevant work: Murder in Prague's mobile-only step

The published case covers Shopify theme work and advertorial pages alongside a Next.js and TypeScript companion on a subdomain. The app presents chaptered interviews, phone calls and text messages before a final deduction. Sanity manages game content, Supabase handles accounts and saved progress, and a mobile-only step continues part of the game on a phone. The project is recorded in Czechia. Its delivered companion scope provides a reference; pairing methods, expiry rules and return behavior for your Sioux Falls game are defined separately.

Carry the intended session across devices

Decide how a player reaches the phone step and how the application recognizes the session entitled to use it. Agree whether the player signs in again or uses another scoped handoff method. Define how long that handoff remains usable and what happens if it opens under a different account. Keep access checks behind the interface. Review a lost connection, a stale link and a repeated open so the story does not advance for the wrong player or skip an intended interaction.

Define the return to the main chapter

Completion on the phone needs a clear relationship to saved progress. Agree which interaction changes the chapter state and how the main device learns about it, whether by an explicit continuation action, refresh or another scoped mechanism. Decide how replay and repeated completion behave. AI accelerates familiar interface work and implementation options; engineers review account boundaries, progress transitions and recovery. Your editorial team approves the chapter sequence and the story information each device is allowed to reveal.

Review the chapter before, during and after the phone step

For a new engagement, bring an approved chapter, the intended phone interaction and the session-ownership rule. Proposed acceptance examples: the eligible player opens the intended phone step; an expired handoff follows its agreed recovery route; completing the interaction updates the correct saved position; and returning to the main device follows the defined refresh or continuation behavior. Include a second account and a repeated completion request. These are proposed checks for your game, not claims about Murder in Prague's historical device-pairing or synchronization implementation.

A product partner for the next playable chapter

Player feedback, device differences and new chapters reveal where handoff instructions or saved-state behavior need improvement. We work with your team on a shared backlog and reviewed releases so those findings shape the next iteration. Monthly AI-accelerated development starts from $2,000, with capacity, supported devices and responsibilities agreed in writing. Curiosive LLC collaborates remotely with Sioux Falls teams through agreed Central-time review windows, with engineering led from Ankara. The partnership continues beyond the first completed playthrough.

Delivered work in detail

Murder in Prague: a Shopify storefront and a Next.js game app

A Shopify storefront that sells a physical detective kit, paired with a Next.js companion app where buyers play a chaptered murder mystery with saved progress.

Read the case study →
AI-accelerated development
from$2,000
per month

Senior engineers building your product with AI coding agents: web, mobile, SaaS or browser extension, reviewed before anything ships.

  • Web, mobile, SaaS and browser extensions
  • AI-assisted delivery under senior engineer review
  • Scope and capacity agreed in writing, renews monthly

AI-accelerated development, billed monthly. We confirm scope, capacity and start date in writing before checkout.

Questions

The things people ask before starting.

Can you build a phone handoff for a Sioux Falls game companion?

Yes. Bring the approved chapter, intended phone interaction and session rules. We can scope access, progress and the return to the main device together.

What does Murder in Prague demonstrate?

The Czechia-recorded case covers a storefront and chaptered web companion with accounts, saved progress, managed game content and a mobile-only step.

Will progress update automatically on the main screen?

That depends on the agreed design. Define whether continuation uses a refresh, an explicit action or another update mechanism, then review it with the supported device journey.

Can you keep improving the companion after launch?

Yes. A continuing engagement can prioritize player feedback, chapter changes and supported-device improvements through a shared backlog and reviewed releases.

Related pages

Solutions
Services

Website Development with Next.js and Sanity

Technologies

Next.js product and web development

Services

Full Stack Development for Web Products and SaaS

How it starts

What happens after you write to us.

  1. 01

    You describe the product

    One paragraph on what you are building, roughly when you need it, and who it is for. No brief, no form with fifteen fields.

  2. 02

    You get a reply within a day

    From the engineer who would do the work, not a sales team. If we are not the right fit we say so, and where possible we point you somewhere better.

  3. 03

    You get a scoped plan

    Scope, price and timeline in writing before anything is committed. You decide with the numbers in front of you.

No long contract to begin, no lock-in to our tooling, and the code is yours from the first commit.

Start a conversation
Contact

Looking for an engineering partner for the long haul?

A short note about the product, the timeline and who it is for is enough to start. You will hear back from the engineer who would do the work, not a sales team.

hello@curiosive.comSee what we have shipped

Ankara / Türkiye · Working across European and US time zones