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
Dr. Panda Airport
Have the travel bug?! Then it’s time to soar in Dr
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
64 ratings · Top 30%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Dr. Panda Airport: map the core Education 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 more scenarios and characters to enhance engagement.
Assumption to check: Limited content variety leads to repetitive gameplay.
Validate with people who use this workflow before building.
Hypothesis 2
Add difficulty levels or complexity options for different age groups.
Assumption to check: Some activities may be too simplistic for older children.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the purchase flow and add clear explanations for parents.
Assumption to check: In-app purchases can be confusing for children.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize the app to ensure smooth performance across a wider range of devices.
Assumption to check: Performance issues on older devices.
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
Have the travel bug?! Then it’s time to soar in Dr. Panda Airport! Take flight in 10 airport-themed activities that will have you helping in every part of the process! Stamp passports at customs, make sure luggage makes it to the right plane and even take control to help planes land safely. It’s up to you to guide passengers from check-in to takeoff, so get ready to reach new heights! With minimal UI and easy to understand, intuitive controls, anyone will be able to start running their very own airport regardless of how young or old they are. In Dr. Panda Airport you’ll be greeted with wonderfully drawn graphics that please the eye as much as they invite you to explore! So hop in and get ready to take off with Dr. Panda! KEY FEATURES: - 10 airport-themed minigames. Help run everything from stamping passports to organizing baggage! - Get familiar with the process of heading through an airport, from checking in to taking off! - Dozens of secrets to discover in Dr. Panda’s Airport - Beautifully drawn graphics and carefully crafted animation - No text and minimal UI, easy for anyone to pick up and play with no instruction - Kid-safe: No in app purchases or third party ads Privacy Policy As a designer of kids’ games, we understand how important privacy is in this modern, digital world. You can read our privacy policy here: http://www.drpanda.com/privacy About Dr. Panda Dr. Panda is a developer of games for kids. We develop games with educational values that help kids learn about the world. All of our games are safe and do not contain inappropriate content. If you’d like to know more about us and how we design games for kids, visit our website www.drpanda.com/about. If you have any questions, feel free to send us an email at [email protected] or contact us on Facebook (www.facebook.com/drpandagames) or Twitter (www.twitter.com/drpandagames) or Instagram (www.instagram.com/drpandagames).
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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
react-navigation
@react-native-reanimated
Shadcn/UI
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.
