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.
Sakura is a PlayStation One & PSP emulator frontend built on top of the Beetle PSX and PPSSPP cores for iPhone and iPad
$0.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Sakura!: 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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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
Assumption to check: Limited game selection compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Performance issues with streaming
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of user profiles for preferences
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Sakura is a PlayStation One & PSP emulator frontend built on top of the Beetle PSX and PPSSPP cores for iPhone and iPad. Add your own system BIOS and disc backups & customize your library then play with on-screen controls or a physical gamepad/controller for a console-like experience! • Add your own PS1 BIOS (.bin) file(s) and choose a default in Settings; PSP games boot without one. • Add games under the app’s Documents folder in Files, or use in-app import. Sakura scans folders recursively, including multi-disc setups and M3U playlists. • Supported formats CUE/BIN, CHD, PBP, M3U, ISO/IMG, MDS/MDF, NRG, CDI, ECM, CSO/ZSO • One library for both systems, with a system switch in the library bar that picks which settings you get and which system Boot System starts. CONTROLS • Full touch overlay with layout editor: move, scale, and theme controls to fit your hands. • Digital and DualShock-style modes, with optional per-game auto-switching. • MFi and Bluetooth gamepads with remappable buttons; haptics and rumble where supported. • Analog deadzone, axis scale, and gate compensation on both systems. GRAPHICS & PERFORMANCE • Internal resolution scaling, fit vs fill framing, and multiple texture filtering paths from crisp pixel modes through sharpened upscalers. • FXAA, CAS, optional PGXP-style geometry options, widescreen-related tweaks, color and dither controls, and frame blending where you want a softer or more authentic look. • Libretro Shaders: load your own slang presets, pick a built-in CRT or TV preset, or pull the shared pack from inside the app. • Fast Boot and host-side run speed for slow-mo or fast-forward-style pacing alongside core tuning for CPU, GPU, and disc access. QUALITY OF LIFE • In-game menu for graphics, performance HUD, save slots (when enabled in Settings), controller remapping, and stopping a session. • Optional performance overlay, notification cards, and extensive UI customization: accents, backgrounds, typography, accessibility options, and optional background music including your own tracks. LEGAL Sakura does not include games, a PlayStation or PSP BIOS, firmware, or other copyrighted material you don’t have rights to use. You are responsible for complying with the laws that apply to you. “PlayStation”, “PSP” and related names are trademarks of Sony; this app is not affiliated with or endorsed by Sony Interactive Entertainment.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.