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
Archero 2
Welcome to the new era of the legendary roguelike mobile game—Archero 2! Join 200 million players in unlocking the memories of the archer!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
22,983 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 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 Archero 2: 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 diverse levels and unique challenges.
Assumption to check: Repetitive gameplay can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 2
Allow players to customize heroes with more skins and abilities.
Assumption to check: Limited hero customization options.
Validate with people who use this workflow before building.
Hypothesis 3
Offer more affordable pricing and value packs.
Assumption to check: In-app purchases can be expensive.
Validate with people who use this workflow before building.
Hypothesis 4
Implement a better ad management system or offer an ad-free subscription.
Assumption to check: Ads can disrupt gameplay experience.
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
Welcome to the new era of the legendary roguelike mobile game—Archero 2! Join 200 million players in unlocking the memories of the archer! The once-great hero has fallen into the Demon King's trap and turned into an even more powerful leader of dark forces! As a new-generation hero, you must master every skill you acquire to embark on your mission to save the world! Game Features: 1.Roguelike Experience 2.0: Unique skill rarity settings and more chances to choose your skills! 2.Combat Experience 2.0: Faster pace brings greater thrills! 3.Stage Design 2.0: Classic stage challenges and a brand-new countdown survival mode! 4.PvP System 2.0: One round decides the winner? NO! We have best of three, where true heroes learn from defeat to find victory! 5.Engaging Dungeons 2.0: Boss Seal Battle, Trial Tower, Gold Cave—tons of rewards await RICK & MORTY and all related characters and elements © & ™ Cartoon network (s26)
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
React Navigation
Zustand
Firebase
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.
