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
Hoop Land
Hoop Land is a 2D hoops sim inspired by the greatest retro basketball games of the past
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
10,828 ratings · Top 15%
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 Hoop Land: 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
Introduce more diverse game modes and regular updates.
Assumption to check: Limited variety of challenges and game modes
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchasing process and provide clearer explanations of items.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more user-friendly ad experience and options for ad removal.
Assumption to check: Ads can disrupt gameplay
Validate with people who use this workflow before building.
Hypothesis 4
Add social sharing and friend invites to enhance user engagement.
Assumption to check: Lack of social 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
Hoop Land is a 2D hoops sim inspired by the greatest retro basketball games of the past. Play, spectate, or simulate each game and experience the ultimate basketball sandbox where college and professional leagues are seamlessly integrated into every season. DEEP RETRO GAMEPLAY An endless variety of game options give you complete control of the action with ankle breakers, spin moves, step backs, alley-oops, chase down blocks, and more. Every shot is determined by true 3D rim and ball physics resulting in dynamic and unpredictable moments. BUILD YOUR LEGACY Create your own player in Career Mode and begin your path to greatness as a young prospect fresh out of high school. Choose a college, build teammate relationships, declare for the draft, and earn awards and accolades on your way to becoming the greatest player of all time. LEAD A DYNASTY Become the manager of a struggling team and turn them into contenders in Franchise Mode. Scout for college prospects, make draft selections, develop your rookies into stars, sign free agents, trade away disgruntled players, and hang as many championship banners as possible. BE THE COMMISSIONER Take full control of the league from player trades to expansion teams in Commissioner Mode. Enable or disable advanced settings such as CPU roster changes and injuries, choose award winners, and watch your league evolve over an endless amount of seasons. FULL CUSTOMIZATION Customize every aspect of both college and pro leagues from team names, uniform colors, court designs, rosters, coaches, and awards. Import or share your custom leagues with the Hoop Land community and load them into any season mode for infinite replay-ability. *Hoop Land offers unlimited Franchise Mode gameplay with no ads or micro-transactions. Premium Edition unlocks all other modes and features.
Written user reviews are not shown here. Check current App Store reviews >
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-native-reanimated
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.
