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.
App Overview
Watcher of Realms - US
Embark on an unparalleled Next-Gen Fantasy RPG adventure with Watcher of Realms
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
3,005 ratings · Top 15%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Watcher of Realms - US: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement clear item descriptions and benefits to enhance value.
Assumption to check: In-app purchases often lead to frustration among users due to unclear value proposition.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce varied events and limited-time challenges to maintain interest.
Assumption to check: Gameplay can become repetitive over time, leading to user disengagement.
Validate with people who use this workflow before building.
Hypothesis 3
Create exclusive free events to engage all players.
Assumption to check: Balancing between free and premium content can alienate free users.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize performance and ensure smooth gameplay for better user experience.
Assumption to check: Technical issues like lag during battles can frustrate players.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Embark on an unparalleled Next-Gen Fantasy RPG adventure with Watcher of Realms. In the fabled Land of Tya, collect over 170 heroes from 10 different factions, strengthen and build out your own dedicated lineup, power through a vast array of levels and stages, and leave behind your own legacy along the way. Enjoy some of your favorite RPG elements in Watcher of Realms! 1. Experience 170+ heroes to collect and upgrade! Unlock and upgrade 170+ heroes from 10 factions, assemble your own powerful lineup, and combat the onslaught of monsters and demons! You'll also find rare Lord Heroes with exclusive Lord Skills. Collect these to buff the entire faction! 2. More exciting BOSS battles. Epic Dragons, Mighty Golems, The Undying Bull, The Lord of Styx, The Conquerer, and many Bosses are ready to throw down the gauntlet! Take on these formidable foes in Guild Boss, Void Rift, Immortal Codex and other modes to claim your stake of Tya's finest treasure. 3. Refreshingly diverse RPG elements. Obtain rare resources from dungeon levels where gruesome monsters await. Strengthen and improve your hero’s attributes by collecting gear, artifacts, and legendary skill dust to get the edge. Reinforce your camp and explore multiple game modes while leading your heroes to ultimate victory on the grandest battlefield of all. 4. User friendly and deeply strategic gameplay. The diverse continent of Tya includes vast deserts, chilling dungeons, colossal mountains and more. With each stage posing new challenges, commanders must choose the best faction and hero combinations to survive. Charge into battle with your fearless heroes and activate their ultimate skills, AOE/magic damage, and healing spells with precision timing to defend your position! 5. High-quality audio-visual effects. Incredibly immersive. Realistically magical 3D models of heroes fleshed with exquisite details. Top-tier motion and facial capture technologies make your heroes incredibly vivid and lifelike. With premium CG and character designs in 360°, players will fall in love with customized animations which bring each hero to life. 6. Massive multiplayer PvP battles. Original tower defense PvP mode will showcase your skills. With multiple PvP themes, you can climb player rankings and fight your way straight to the top! 7. Grand worldview, rich storylines. Explore a range of chapters, maps, and levels. Epic faction and hero lore will provide you an immersive experience into the world of Tya’s magic. Each hero has a unique backstory waiting for you to discover! Please Note: *Watcher of Realms supports English, German, French, Spanish, Portuguese, Italian, Indonesian, and Russian. We understand that RPGs are always more immersive to players in their native languages, so we are working hard on adding more languages to the game! Official Website: https://us.skystone.games/ Facebook: https://www.facebook.com/WatcherofRealms/ Discord: https://discord.gg/Vn8UpGF YouTube: https://www.youtube.com/@WatcherofRealmsOfficial Reddit: https://www.reddit.com/r/WatcherofRealmsGame/
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
Redux
react-navigation
react-native-reanimated
BUILD KIT DIFFICULTY
Advanced
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.
