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.
■ Extensive Story Mode
Free
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.
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 Fire Emblem Heroes: 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: Too many intrusive ads
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Pay-to-win mechanics
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Battery drain
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.
■ Extensive Story Mode Ten Books of original content set in a world inspired by Norse mythology! On top of that, stories of Heroes throughout the series unfold. You can see Heroes in different outfits than they wore in past Fire Emblem games, inspired by such things as Halloween or a tea party. New stories are added every month. Don't miss them! ■ Extensive Orb Distribution and Hero Gifts Clearing the story and completing select events will earn you Orbs, which you need to summon Heroes. Save up Orbs and welcome Heroes into your barracks. Also, you can have Heroes who were voted as some of the most popular join your barracks soon after starting the game. Plus, when you progress through the Heroes' Path quests, some of the most popular Heroes in series history can join your barracks. ■ A Simple Battle System with Depth The battle system of past Fire Emblem games has been optimized for smartphones. You can enjoy Fire Emblem with simple, satisfying controls. And, you can personalize your units by making use of a rich skill system unique to Fire Emblem Heroes. You can refine tactics that have depth to them. Even if you are not confident with taking on strategic battles, you have nothing to worry about! If you use the Auto-Battle feature, your Heroes will fight for you automatically. ■ Easy-to-Pick-Up yet Deep Growth System Rather than focus on level-grinding, the game offers a wide variety of methods to power your Heroes up, like switching skills in and out or using Engage to expand their abilities. With the right training, any Hero can make their presence known at the front lines. ■ Replayable Modes There are all sorts of modes in addition to the story mode, including many events, PvP modes, and more. ■ Original Characters Meet Legendary Heroes The game features many Hero characters from the Fire Emblem series and original characters created by artists Yusuke Kozaki, Shigeki Maeshima, and Yoshiku. Some Heroes will fight at your side as allies, while others may stand in your way as fierce enemies to be defeated and added to your army. Notes: ・ Free-to-start; optional in-game purchases available. Nintendo Account age 13+, persistent Internet and compatible smartphone required. Data charges may apply. ・ 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. ・ Variations in individual device specifications and other applications being run on a device may affect normal operation of this application. ・ May include advertising.
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.