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 & Toto's Treehouse
Hi! I’m Toto the Turtle! I’ve just hatched and would love a friend to play with and take care of me! Can you help me?
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.3
121 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's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 & Toto's Treehouse: 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
Offer a wider range of free activities to engage users.
Assumption to check: Limited activities for free users
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more guided and visual navigation system.
Assumption to check: Navigation can be confusing for younger users
Validate with people who use this workflow before building.
Hypothesis 3
Introduce new activities regularly to maintain user interest.
Assumption to check: Content can feel repetitive after a while
Validate with people who use this workflow before building.
Hypothesis 4
Provide clearer explanations and benefits for in-app purchases.
Assumption to check: In-app purchases can be unclear
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
Hi! I’m Toto the Turtle! I’ve just hatched and would love a friend to play with and take care of me! Can you help me? I live in a big treehouse all by myself, and I need you to help me make food, wash up, and of course play together! I may be small, but I love to play! We can play basketball, or go on the tire swing, or even blow big bubbles! When we're hungry, there’s a nice kitchen where we can make sandwiches or even big ice cream cones! All that playing is tiring, though, so I’m glad I have a comfy bed to sleep in! Will you help take care of me and play with me? Key features: • Play all sorts of games with Toto, from bubbles to basketball! Toto will emote and react to everything you do to let you know how he feels! • Cook lots of different dishes for Toto: make sandwiches, ice cream sundaes and more! • Use a map to explore all 4 rooms in Toto’s tree house! • Play however you want! No time limits or strict rules! • No in-app purchases or third party ads ****Dr. Panda & Toto's Treehouse requires iPod 5th Generation, iPhone 4S or newer, or iPad 2 or newer**** 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
Supabase
react-navigation
axios
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.
