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.
Shape Your Civilization with 180,000,000+ Players Worldwide!
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 Rise of Kingdoms: 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: In-app purchases can be confusing and lead to accidental buys.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Long wait times for resource gathering.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty in finding friends or alliances.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Complexity in managing armies can overwhelm new 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.
Shape Your Civilization with 180,000,000+ Players Worldwide! What if ancient China and ancient Rome went to war? When Julius Caesar clashes with Cao Cao on the same battlefield, who shall emerge victorious? What does it feel like to play a war strategy game that fuses MOBA and RTS mechanics, featuring multiplayer competition and real-time combat? What stories will unfold in a vast world shared by over 80,000 players, free to explore, gather, create, build, and battle? Find the answer in Rise of Kingdoms, a battlefield unlike anything you have experienced before. ▶FEATURES◀ 15 Unique Civilizations Choose one of 15 historical civilizations and guide your empire from a lone clan into a great, unstoppable force! Each civilization has its own architecture, unique units, and special advantages — how you utilize them is up to you! Real-Time Battles Battles happen in real time on the map. Anyone can join or leave a battle at any time, allowing true RTS gameplay. See an ally being attacked right in your backyard? Send some troops to help your buddy out, or launch a surprise counterattack on the attacker’s city. Seamless World Map All in-game action takes place on a single, enormous map inhabited by players and NPCs. No isolated bases or separate battle screens. Never before seen on mobile “infinite zoom” allows you to transition freely between the world view and individual cities or barbarian outposts. Map features include natural obstructions such as rivers and mountain ranges and strategic passes that must be captured to gain entrance to neighboring regions. Exploration & Investigation Your world is covered in thick fog. Dispatch scouts to explore this mysterious land and uncover the hidden treasure within. Investigate lost temples, barbarian fortresses, mysterious caves, and tribal villages, gather intelligence on your enemies, and prepare yourself for the ultimate battle! Unrestricted Troop Movements New orders can be issued to troops at any time, offering limitless strategic possibilities. Launch an attack on an enemy city, then circle back and meet up with your alliance army to capture a pass. Dispatch troops to collect lumber from a nearby forest and have them pick off a few barbarian clans along the way. Forces can also be split up between multiple commanders so that you can engage in multiple actions simultaneously. Alliance System Full alliance features allow players to help one another: live chat with built-in translation, officer roles, map indicators to coordinate strategies, and more! Alliances can expand their territory to gain resources, capture mountain passes and barbarian outposts to strengthen their position, and work together to unlock group achievements. Conquer the Kingdom Fight alongside your alliance to take control of this vast kingdom. Clash with other players and use superior tactics to emerge victorious in a MMO strategy battle royale. Rise to the top and you and your civilization will be written down in your kingdom’s history! RPG Commanders Call upon dozens of historical figures who will serve as your trustworthy commanders, from Julius Caesar and Sun Tzu to Joan of Arc and Kusunoki Masashige. Level up your commanders by defeating barbarians and sending them into battles, then upgrade their abilities using an RPG style talent tree and skill system. Facebook: https://www.facebook.com/riseofkingdomsgame/
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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.