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
Lamar - Idle Vlogger
Become a Viral Sensation with Lamar - Idle Vlogger!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
179,433 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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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 Lamar - Idle Vlogger: 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 a balanced approach to in-app purchases and rewards.
Assumption to check: Monetization can be aggressive, leading to user frustration.
Validate with people who use this workflow before building.
Hypothesis 2
Add more diverse activities and unlockable content.
Assumption to check: Repetitive gameplay can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate social sharing and competition features.
Assumption to check: Limited social features reduce engagement.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize for lower-end devices to ensure smooth gameplay.
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
Become a Viral Sensation with Lamar - Idle Vlogger! Welcome to the wacky world of "Lamar - Idle Vlogger," where you can turn into a superstar by doing the silliest and funniest things online! Join Lamar as he starts his journey from a nobody to a famous internet sensation by making people laugh and going viral! Start from Zero Lamar begins with just a simple camera and a big dream. Help him make hilarious videos that catch everyone's attention. From silly pranks to funny challenges, there's no limit to the fun you can have! Create Crazy Content Explore all kinds of zany video ideas! Try out different styles like crazy stunts, funny skits, and goofy dances. The more creative and silly you are, the more fans you'll get! Grow Your Fanbase Watch your number of followers explode as you make more and more viral videos. Keep an eye on what your fans like the most and keep giving them awesome content. Collaborate with other goofy vloggers and join in on trending challenges to boost your fame even more. Upgrade Your Gear As Lamar becomes more popular, he can buy better equipment to make even cooler videos. Get awesome new cameras, funny props, and decorate your studio with the craziest items you can find. The better your videos look, the more people will watch! Be Yourself Dress up Lamar in the silliest outfits and give him the funniest hairstyles. Create a unique look that will make everyone remember you. Your personality and style will shine through every video! Face the Fun and Challenges Being a vlogger isn't always easy. Lamar will have to deal with haters, internet trolls, and even some embarrassing moments. But don't worry, with your help, he'll overcome everything and keep making people laugh! Play Anytime, Anywhere Even when you're not playing, Lamar is still working hard to become a star. Come back anytime to check on his progress, collect rewards, and see what new funny stuff you can do next. Join Lamar in this fun-filled adventure to become the ultimate viral vlogger. With a lot of laughs, creativity, and your help, Lamar can achieve his dreams of internet stardom. Download "Lamar - Idle Vlogger" now and start your hilarious journey to the top! To opt out of CrazyLabs sales of personal information as a California resident, please visit the settings page within this app. For more information visit our privacy policy: https://crazylabs.com/app
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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
react-query
@react-native-async-storage/async-storage
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.
