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
Piggy Kingdom - Match 3 Games
Jingle-jingle, get your Piggy Kingdom ready - time to solve puzzles and get rewards
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
76,730 ratings · Top 5%
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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What's included17 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 Piggy Kingdom - Match 3 Games: 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
Introduce new level mechanics and themed events to keep gameplay fresh.
Assumption to check: Levels can become repetitive and lack variety
Validate with people who use this workflow before building.
Hypothesis 2
Provide users with more earning opportunities for currency through gameplay.
Assumption to check: In-app purchases can feel pushy
Validate with people who use this workflow before building.
Hypothesis 3
Implement an ad-free premium option with value-added benefits.
Assumption to check: Ads can disrupt the experience
Validate with people who use this workflow before building.
Hypothesis 4
Add social sharing options and friend leaderboards to enhance community engagement.
Assumption to check: Limited social features
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
Jingle-jingle, get your Piggy Kingdom ready - time to solve puzzles and get rewards. Match 3 games will leave happy emotions afterward. Piggy Kingdom will take you on an exciting journey where you will: • Solve puzzles • Match, swap and crush colors • Get tons of unique boosters • Rich rewards - earn coins and exchange them for in-game goods • Hundreds of challenging, chilling, and funny levels • Beautiful animations, cheerful music • Lots of ways to kill time with fun and joy • Easy to play and win! Here is where we all feel fine! IT IS NOT A WASTE OF TIME. Challenging yet enjoyable match 3 puzzle games where you need to train your brain by swiping colorful objects in shapes of three or more. It just sounds to be so easy. SMILE AS YOU WATCH YOUR BOOSTERS DOING MAGIC. Every time you wisely move sweet colorful pieces together – the puzzle game will give you unique powerful boosters. EVERY ATTEMPT IS APPRECIATED. Get rewards. Use accumulated boosters to finish a hard puzzle-solving game or keep them for the updated levels ahead. EYE CANDY GRAPHICS + VISUALS. Your Piggy Kingdom game has never been so real. Boosters, puzzles, characters, surroundings, everything in this game looks so delightful. When you see the board that you need to clear – things look so real. Some of them you even may find at home around you in real life. The best puzzle solving & color swiping match 3 game is here for you! Piggy Kingdom is waiting for you! PIGGY AND THE CASTLE. The character's reactions are so funny to look at, and the castle has so many details to give a closer look at. FROM BEGINNERS TO PROS! Your level of playing and solving match three puzzle games can be different, but be sure, you will enjoy this match 3 game. This application offers a free-to-play experience with the option for in-game purchases. Privacy Policy: https://olleyo.com/privacy-policy Terms of Service: https://olleyo.com/terms-of-service
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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
Zustand
Supabase
React Navigation
React Native Reanimated
BUILD KIT DIFFICULTY
Intermediate
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.
