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
Mobile Legends: Bang Bang.US
Mobile Legends: Bang Bang
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.9
33,482 ratings · Top 50%
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 included19 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 Mobile Legends: Bang Bang.US: 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 quicker matchmaking algorithms or player filters.
Assumption to check: Matchmaking can take too long
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase process and provide clear descriptions of benefits.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Create an engaging onboarding process with interactive tutorials.
Assumption to check: Limited tutorial for new players
Validate with people who use this workflow before building.
Hypothesis 4
Implement a more balanced ad strategy with optional ad removal through premium purchase.
Assumption to check: Frequent ads can disrupt gameplay
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
Mobile Legends: Bang Bang. US - The Ultimate 5v5 MOBA Experience, Now Even Better! Team up with friends and dive into Mobile Legends: Bang Bang.US, the ultimate 5v5 MOBA showdown where real players clash in thrilling battles! Pick your favorite heroes and assemble the perfect squad with your allies. Enjoy fast-paced 10-second matchmaking and action-packed 10-minute matches, all from the palm of your hand! Master classic MOBA mechanics, like laning, jungling, pushing, and intense team fights—all tailored for a top-tier mobile eSports experience in the U.S. Game Features: 1. Classic MOBA Action with Enhanced 5v5 Battles Engage in real-time 5v5 battles against real opponents! Fight across three lanes, conquer four jungle areas, defeat epic bosses, and defend against 18 powerful towers. Everything that makes a true MOBA great is here, now with optimized gameplay for players! 2. Teamwork & Strategy Win the Day Absorb damage, disrupt enemies, heal teammates—play your role to lead your team to victory! Choose from Tanks, Mages, Marksmen, Assassins, and Supports, with new heroes added regularly. Show off your skills and rise to the top of the ranks! 3. A Fair and Balanced MOBA Experience Just like the best classic MOBAs, victory in Mobile Legends: Bang Bang.US depends on skill and strategy, not hero training or pay-to-win mechanics. Here, everyone competes on a level playing field—it’s all about your ability to outplay the competition! 4. Intuitive Controls, Effortless Mastery With simple yet highly responsive controls, you’ll be landing skill shots and making game-winning plays in no time! The auto-lock and smart target-switching system helps you hit the right enemies, while a tap-to-buy feature lets you equip items anywhere on the map for uninterrupted gameplay. 5. Fast Matchmaking, High-Intensity Matches Jump into action with lightning-fast matchmaking in just 10 seconds. Each battle lasts only 10 minutes, skipping long, drawn-out early-game phases and putting you straight into the fight. Less waiting, more action, more victory moments! 6. Smart AI Assistance for Seamless Play Lost connection? No worries! Our advanced reconnection system gets you back in the game within seconds. And if you're offline, our AI takes over to keep your team in the fight, preventing unfair 4v5 disadvantages. Contact Us You can get customer service assistance via the [Contact Us] button in the game to help you with any problems you may encounter while playing. You can also find us on the following platforms. We welcome all of your Mobile Legends: Bang Bang.US thoughts and suggestions. Customer Service Email: [email protected] Privacy Policy: https://us.skystone.games/mlbb-pp User Agreement: https://us.skystone.games/mlbb-tos
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
Firebase
Axios
react-navigation
react-native-reanimated
BUILD KIT DIFFICULTY
Expert
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.
