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.
■ "eFootball™" - An Evolution from "PES"
Free · In-app purchases
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 eFootball™: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
■ "eFootball™" - An Evolution from "PES" It's an all-new era of digital soccer: "PES" has now evolved into "eFootball™"! And now you can experience the next generation of soccer gaming with "eFootball™"! ■ Welcoming Newcomers After downloading, you can learn the basic controls of the game via a step-by-step tutorial that includes practical demonstrations! Complete them all, and receive Lionel Messi! We have also added the Smart Assist setting to help users enjoy the fun and excitement of playing matches, even if they are new to the game. Without entering complex commands, get past the opposing defense with a brilliant dribble or pass, then score a goal with a powerful shot. [Ways of Playing] Friend Matches and Co-op Matches with up to three a side are also in store. So get together with some friends and have a blast. ■ Player Development Develop players through matches and special items, and strengthen their abilities. Improve players the way you like, or use the "Auto Select" setting to develop them automatically. [For More Fun] ■ Enjoy Each Phase of the Soccer Season Download weekly data that reflects player transfers and match achievements from real life. Build up your team and play thrilling matches based on the latest happenings in the world of soccer. ■ Customize a Stadium Get Stadium Elements, such as Tifos and Giant Props, and customize your own stadium. Add color to the game by arranging your stadium however you like! *Users with one of the following nations as their Country/Region of Residence will not have access to loot boxes that require eFootball™ Coins as payment. Belgium, Brazil (users under 18 years of age) *Users that have set the following as their Country/Region of Residence will require consent from a parent or legal guardian in order to access loot boxes that utilize eFootball™ Coins. Germany (users under 12 years of age), Denmark (users under 15 years of age), United States of America (users under 16 years of age) [For the Latest News] New features, modes, events, and gameplay improvements will be continuously implemented. For more information, see the official eFootball™ website. [Downloading the Game] Approximately 3.5 GB of free storage space is required to download and install eFootball™. Please make sure you have enough free space before beginning the download. We also recommend that you use a Wi-Fi connection to download the base game and any of its updates. [Online Connectivity] An internet connection is required to play eFootball™. We also strongly recommend playing with a stable connection to ensure you get the most out of the game.
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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: In-app navigation can be confusing
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Frequent ads disrupt gameplay
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited customization options for teams
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Low frequency of updates and events
Validate with people who use this workflow before building.
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.