Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Poppy Playtime Chapter 1
You must stay alive in this horror/puzzle adventure
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.4
10,834 ratings · Top 30%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Poppy Playtime Chapter 1: map the core Games workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Offer regular updates with new levels and challenges.
Assumption to check: Limited content and levels after initial purchase
Validate with people who use this workflow before building.
Hypothesis 2
Implement robust testing and user feedback loops.
Assumption to check: Occasional bugs during gameplay
Validate with people who use this workflow before building.
Hypothesis 3
Introduce adjustable difficulty settings.
Assumption to check: High difficulty for casual players
Validate with people who use this workflow before building.
Hypothesis 4
Add social media integration for sharing scores and achievements.
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught. ---Welcome to Playtime Co.!--- Playtime Co. was once the king of the toy manufacturing industry... until everybody inside of the factory one day disappeared into thin air. Now, years later, you must explore the abandoned factory and uncover the truth. ---The Toys--- The toys of Playtime Co. are a lively bunch! From Bot to Huggy, Catbee to Poppy, Playtime does it all! As long as you're at Playtime Co., why not pay the toys a little visit? You might just make a few friends... ---The GrabPack--- This amazing GrabPack is a wearable backpack, accompanied by 2 artificial hands attached via steel wire. With this handy, state-of-the-art tool, there's no limit to what Playtime Co. employees can accomplish! The following list of features should help to show you what the GrabPack has to offer. - The hands' powerful grip allows for movement of heavy objects with ease! - A lengthy and flexible wire gives any employee the ability to reach whatever they may need, no matter the distance! - The steel wire makes conducting electricity a breeze! The only limit is the length of your GrabPack's wire. Won't you stick around? There's lots of fun in store for you. It's almost Playtime...
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
Expo
React Navigation
Supabase
Three.js
React Native Async Storage
BUILD KIT DIFFICULTY
Advanced
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
