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
Super Tank Battle - MobileArmy
It is very Classical Tank battle game
$10.00 · In-app purchases
PRICE
$10.00
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
366 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 Super Tank Battle - MobileArmy: map the core Entertainment 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 tank upgrades and skins.
Assumption to check: Limited tank customization options
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more robust matchmaking algorithm.
Assumption to check: Inconsistent matchmaking
Validate with people who use this workflow before building.
Hypothesis 3
Add unique battle modes and challenges.
Assumption to check: Repetitive gameplay after multiple battles
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate friend lists and battle sharing.
Assumption to check: Lack of 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
It is very Classical Tank battle game. Super Tank Battle is a modern style with new attractive elements. This is the game of modern war, please boom the map, summon your alliance, and strike the Enemy! Clash It! Prepare the tank battle, prepare the tank modern war! There are 5 different difficulty levels (from easy to crazy). It should meet different people need. Game Rule: - Defence your base, and destroy all enemy tanks. - If your tank or your base is destroyed, it will be game over. Features: - have 500 Maps can be played ( Super Cool! ) - helper tank, it is like a 2nd player to help you - special items in game - classical tank battle game's style - 20 enemy tanks per map It also available on others mobile platform. Simply search "Super Tank Battle" on search engine. ********************************* Infinity Tank Battle https://itunes.apple.com/us/app/infinity-tank-battle/id1304822713 ---------------------------------- Enjoy play as God to create an universe, start to play myDream Universe iOS : https://apps.apple.com/app/mydream-universe/id1447861806 macOS : https://apps.apple.com/app/mydream-universe/id1447861778 ---------------------------------- A old LCD style snake game. iOS : https://apps.apple.com/app/id6566180433
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
Zustand
react-navigation
expo-gesture-handler
expo-ads-admob
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.
