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
Nintendo Store
Nintendo Store is a free app for browsing Nintendo systems, accessories, games, and merchandise
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 3.6
166 ratings · Top 50%
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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
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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 included15 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 Nintendo Store: map the core Shopping 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
Expand product range and include exclusive items.
Assumption to check: Limited product variety compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more robust review verification system.
Assumption to check: Inconsistent user reviews and ratings
Validate with people who use this workflow before building.
Hypothesis 3
Simplify UI and enhance navigation.
Assumption to check: Cluttered interface with too many options
Validate with people who use this workflow before building.
Hypothesis 4
Optimize image loading and caching for faster performance.
Assumption to check: Slow loading times for product images
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
Nintendo Store is a free app for browsing Nintendo systems, accessories, games, and merchandise. You can use this app to access all the features below! ■ Get the latest info on games You can stay up-to-date with the latest news on Nintendo games, events, and more! ■ Receive notifications about sales You can turn on push notifications for when items on your Wish List go on sale. ■ Review your play activity You can sign in with your Nintendo Account to see your Nintendo Switch 2 / Nintendo Switch play activity. If you had a Nintendo 3DS™ or Wii U™ system, you can see your play activity logged prior to February 2020. Note: To view your Nintendo 3DS and Wii U play activity, you'll need to link your Nintendo Network ID (NNID) to your Nintendo Account. ■ Check in at events You can use the app to check in at official Nintendo stores and events and earn related rewards! Your check-in activity will also be accessible within the app. Attention ● You must be at least 17 years old to access some content in this app. ● You must sign in to a Nintendo Account to use some app features. ● Persistent internet and a compatible smart device are required. Data charges may apply. ● iOS 16 or later is required. ● May include advertising. ● With your consent, we permit our third-party partners to collect data from this app for analytical and marketing purposes. For more information about our ads, please see the "How we use your information" section of the Nintendo Privacy Policy.
Written user reviews are not shown here. Check current App Store reviews >
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
React Native
Expo
Supabase
Zustand
React Navigation
React Native Reanimated
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.
