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.
Rebuilt from the ground up, Red's First Flight is a faithful re-make of the original Angry Birds game that took the world by storm!
$0.99 · In-app purchases
Evidence scope: #9 is the current overall US Paid chart position. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Red's First Flight: 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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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
Assumption to check: Limited level variety can lead to repetitive gameplay.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can be confusing for users.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Ads can disrupt gameplay.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficulty balancing gameplay for new and experienced players.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Rebuilt from the ground up, Red's First Flight is a faithful re-make of the original Angry Birds game that took the world by storm! The survival of the Angry Birds is at stake. Dish out revenge on the greedy pigs who stole their eggs. Use the unique powers of each bird to destroy the pigs' defenses. Angry Birds features challenging physics-based gameplay and hours of replay value. Each level requires logic, skill and force to solve! – Enjoy fun and satisfying slingshot gameplay! – Play all 8 original Angry Birds episodes from 2012 – over 390 levels! – 3-star all the levels and hunt for the Golden Eggs! – All the original classic characters just as you remember them! – Call in the Mighty Eagle to destroy those hard-to-beat levels! – No IAPs! – No intrusive pop-up ads interrupting gameplay! Relive your first smartphone gaming experience with THE mobile game of mobile games. We may update the game periodically, for example, to add new features or content or to fix bugs or other technical issues. Please note that the game may not function properly if you do not have the newest version installed. If you have not installed the latest update, Rovio will not be responsible for the game failing to function as expected. -------- Terms of Use: http://www.rovio.com/eula Privacy Policy: http://www.rovio.com/privacy
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.