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
Mystery Town: Merge Games
Embark on a mysterious investigation in Mystery Town: Merge Games！
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
18,616 ratings · Top 5%
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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Add to a Remix
Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Mystery Town: Merge Games: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Embark on a mysterious investigation in Mystery Town: Merge Games！ Can you merge everything into better and more useful items to solve thrilling puzzles? In Mystery Town, every match counts! Uncover hidden secrets and discover that here, the right merge can change everything. Welcome to Mystery Town, where you can unlock new themed adventures every week—experience cooking delicious food, hunt for clues, catch culprits in new cases, and rebuild parts of the town you'll love. Step into a world where your merge skills help you restore a broken town, uncover hidden truths, and perhaps even find love. Join Aurora on an exciting quest and discover the truth about her uncle's sudden disappearance. MATCH & MERGE • Match & Merge: Drag identical items to upgrade them into powerful tools. • Complete orders to help upgrade buildings and restore the town. Start with your house! • Infinite Variety: Explore hundreds of levels and discover over 500+ fantastic objects. • Satisfying Gameplay: Experience the ultimate puzzle game flow—simple, relaxing, and addictive! UNLOCK NEW THEMED ADVENTURES = Discover and restore a mysterious world—from dusty mansion halls to the foggy harbor. = Unlock breathtaking new areas and serene landscapes as you progress. = Build your perfect town while solving challenging puzzles SOLVE THE TOWN MYSTERY • Hunt for Clues: Catch culprits in new cases and piece together hidden evidence. • Drama & Secrets: Meet intriguing characters—who can you trust in this mystery? • Follow the Story: Every match brings Aurora closer to the town's FINAL secrets. REBUILD THE TOWN YOU LOVE • Restore & Design: Use your merge rewards to rebuild parts of the town you'll love. • From Ruin to Glory: Transform the dusty mansion into breathtaking landscapes. • Personalize: Be the hero of Mystery Town and build your perfect world! Ready to uncover the truth? Download Mystery Town: Merge Games now and start your investigation today! Learn more about the game on our Facebook Fan Page! https://www.facebook.com/MysteryTownGame/ Contact Us: Click on the feedback icon on the map of town in the game (feel free to reach out to us!) Terms of Service: https://cedargamestudio.com/tos.html Privacy Policy: https://cedargamestudio.com/pp.html Send us Emails: [email protected]
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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
Incorporate varied challenges and dynamic events to keep players engaged.
Assumption to check: Repetitive gameplay can lead to boredom
Validate with people who use this workflow before building.
Hypothesis 2
Add social sharing options and leaderboards for enhanced community interaction.
Assumption to check: Limited social features for sharing progress
Validate with people who use this workflow before building.
Hypothesis 3
Offer more free rewards and enhance gameplay without spending.
Assumption to check: In-app purchases can feel pay-to-win
Validate with people who use this workflow before building.
Hypothesis 4
Implement ad placements that are less intrusive and enhance user experience.
Assumption to check: Ads can disrupt gameplay flow
Validate with people who use this workflow before building.
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
React Native
Expo
Redux
Axios
react-navigation
expo-ads-admob
BUILD KIT DIFFICULTY
Intermediate
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.
