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
Wangarr Creations
God has been with Yolŋu since the beginning
$5.99 · In-app purchases
PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included15 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 Wangarr Creations: map the core Graphics & Design 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 more advanced features like vector editing.
Assumption to check: Limited design tools compared to professional software
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the onboarding process and provide tutorials.
Assumption to check: User interface may be overwhelming for beginners
Validate with people who use this workflow before building.
Hypothesis 3
Introduce more customizable templates and assets.
Assumption to check: Lack of customization options for design elements
Validate with people who use this workflow before building.
Hypothesis 4
Add real-time collaboration features for multiple users.
Assumption to check: Inadequate support for collaboration
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
God has been with Yolŋu since the beginning. Since He created Yolŋu (people) in His image. He has walked across this land with His people. What He has done in the past, He continues to do. He changes lives. Where there is nothing, He creates. Where there is hopelessness, He brings hope. Where there is death, He brings life. Life today, and into eternity. God-Waŋarr is love. All God-Waŋarr wants from us is to love and trust Him. Tell Him that you know you have done wrong, and hurt Him. Ask for forgiveness and have the opportunity to start again, living in a relationship/friendship with Jesus, who gave His breath away so that you can breathe in the ŋir’ of Waŋarr. Read His Word (Bible), and make your talking to Him as important as every ŋir’. He wants you to live with, and for Him, and other people. So be part of the family, the church. Just as you receive, give! Ŋir’ life into the world and keep the songlines dancing.
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
TypeScript
React Navigation
Zustand
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.
