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.
Step into Teyvat, a vast world teeming with life and flowing with elemental energy.
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 Genshin Impact: 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: Heavy resource usage leading to performance issues on older devices.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface can feel cluttered and overwhelming.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchases can feel predatory.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited character customization options.
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.
Step into Teyvat, a vast world teeming with life and flowing with elemental energy. You and your sibling arrived here from another world. Separated by an unknown god, stripped of your powers, and cast into a deep slumber, you now awake to a world very different from when you first arrived. Thus begins your journey across Teyvat to seek answers from The Seven — the gods of each element. Along the way, prepare to explore every inch of this wondrous world, join forces with a diverse range of characters, and unravel the countless mysteries that Teyvat holds... MASSIVE OPEN WORLD Climb any mountain, swim across any river, and glide over the world below, taking in the jaw-dropping scenery each step of the way. And if you stop to investigate a wandering Seelie or strange mechanism, who knows what you might discover? ELEMENTAL COMBAT SYSTEM Harness the seven elements to unleash elemental reactions. Anemo, Electro, Hydro, Pyro, Cryo, Dendro, and Geo interact in all sorts of ways, and Vision wielders have the power to turn this to their advantage. Will you vaporize Hydro with Pyro, electro-charge it with Electro, or freeze it with Cryo? Your mastery of the elements will give you the upper hand in battle and exploration. BEAUTIFUL VISUALS Feast your eyes on the world around you, with a stunning art style, real-time rendering, and finely tuned character animations delivering you a truly immersive visual experience. Lighting and weather all change naturally over time, bringing every detail of this world to life. SOOTHING SOUNDTRACK Let the beautiful sounds of Teyvat draw you in as you explore the expansive world around you. Performed by the world's top orchestras such as London Philharmonic Orchestra and Shanghai Symphony Orchestra, the soundtrack changes seamlessly with the time and gameplay to match the mood. BUILD YOUR DREAM TEAM Team up with a diverse cast of characters in Teyvat, each with their own unique personalities, stories, and abilities. Discover your favorite party combinations and level up your characters to help you conquer even the most daunting of enemies and domains. JOURNEY WITH FRIENDS Team up with friends across various platforms to trigger more elemental action, tackle tricky boss fights, and conquer challenging domains together to reap rich rewards. As you stand atop the peaks of Jueyun Karst and take in the rolling clouds and vast terrain stretching out before you, you may wish to stay in Teyvat a little longer... But until you are reunited with your lost sibling, how can you rest? Go forth, Traveler, and begin your adventure! WANDER THE THOUSAND STARS, SHAPE MYRIADS OF WONDERLANDS Enter Miliastra Wonderland — a dreamlike realm of adventure, creation, and socializing. Customize your Manekins, meet friends in the Lobby, tackle challenges in various stages, or craft your own unique worlds in the Miliastra Sandbox! SUPPORT If you encounter any issues during the game, you can send us feedback via the in-game Customer Service Center. Customer Service Email: [email protected] Official Site: https://genshin.hoyoverse.com/ Forums: https://www.hoyolab.com/ Facebook: https://www.facebook.com/Genshinimpact/ Instagram: https://www.instagram.com/genshinimpact/ Twitter: https://twitter.com/GenshinImpact YouTube: http://www.youtube.com/c/GenshinImpact Discord: https://discord.gg/genshinimpact ● Supported Specifications Devices: iPhone 8 Plus or iPhone X, iPad mini (5th generation) or iPad Air (3rd generation) or iPad (8th generation) and later models SoC: iPhone devices with Apple A11 SoC or later, or iPad devices with Apple A12 SoC or above RAM: 3 GB or more Operating System: iOS 14.0 and above Storage Space: 40 GB of available storage space or more ● Recommended Specifications Devices: iPhone 12 series or iPad (9th generation) and later models SoC: Apple A13 or above RAM: 4 GB or more Operating System: iOS 14.0 and above Storage Space: 60 GB of available storage space or more
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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.