App Overview

EasyGo Pro-Tsumego, SGF editor icon

EasyGo Pro-Tsumego, SGF editor

翔 赵 · Sports

V1.9 Added WiFi transfer, supports TYGEM(.gib) game format, and you can download TYGEM user games directly within EasyGo.

$11.99

PRICE
$11.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
21 ratings · Top 5%

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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What's included

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.

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.

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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for EasyGo Pro-Tsumego, SGF editor: map the core Sports 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

Competitive pricing with generous free tier

Assumption to check: Expensive subscription

Validate with people who use this workflow before building.

Hypothesis 2

Focus on most-requested features first

Assumption to check: Missing features

Validate with people who use this workflow before building.

Hypothesis 3

Optimize for 60fps, fast load times

Assumption to check: Poor performance

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

V1.9 Added WiFi transfer, supports TYGEM(.gib) game format, and you can download TYGEM user games directly within EasyGo. Version 1.8: Supports sharing games, problems on EasyGo server, and print problems. Version 1.7.2: Introduces new Joseki mode. Version 1.7: Added favorites, tag support, and Fuseki search. EasyGo is a multi-function go software designed to help you improve your go skills and enjoy the go game: 1. Extensive problems bundled EasyGo has total 2400 problems bundled ranging from basics, life and death, tesuji and endgame. And the 893 problems on life and death have extensive variations built in to respond to all of your possible moves. 2. A lot of ways to study problems • Problem Practice - Sort problems by total tried times, wrong times, and win rate or shuffle problems. Random swap color and rotate board. If the opponent have multiple variations, you can tap the alternate move mark to switch to that variation. • Problem Test - Take standard test(20 problems in 10 minutes) or custom test, in which you can customize the total problem number, test time. During problem test, the restart, try, show solution button are disabled. The standard tests for the bundled problems are integrated with game center leaderboard. Test history is saved automatically. And you can review all the problems answered incorrectly later. • Spaced Repetition System - EasyGo includes a spaced repetition system (SRS) to help you study go problems more effectively. Basically, it works like this: you are shown a problem and you choose “Fail”, “Hard”, or “Easy” according to how well you know it. The system will automatically present the problem again for review in the future. That is, EasyGo works like a flashcard application. 3. Game records browse/edit/replay EasyGo is also a SGF editor, supporting most of commonly used SGF FF4 properties, and features a node tree view, a variation table. You can use EasyGo to record your own games, create your own problems, and switch to problem mode to test at anytime. 4. Easy import/Export You can zip all your sgf files and transfer to EasyGo via iTunes file sharing. EasyGo will maintain the original folder structures in the zip file. You can also download sgf/zip files from mobile safari and import to EasyGo easily. EasyGo will be installed to handle SGF/ZIP files, and can import files from any mobile app supporting Open-In(such as Mail, Dropbox). More features: • Supports browse your games/problems in list or grid view • Auto detect problems and normal games • Sort games by black name, white name, game date, game name • Bookmark system problems to user library, add any game to favorites, and assign multiple tags to game • Supports comment edit, add black, add white, add triangle, square, remove node tree, insert node, etc. • Create a problem by crop part of the current board position • Auto replay, speed can be adjusted • Two finger swipe to toggle full screen mode(iPhone and iPad full screen landscape mode only) • Two layouts for full screen landscape mode on iPad • Organize by folders, supports batch edit: move, copy, delete, mail, export to iTunes folder, You can reorder the games by drag the standard iOS order control • Supports drag and drop to adjust different views, pinch in the comment view to adjust font • Two finger swipe left or right to switch between recently opened games • Built in file manager, easily browse iTunes share folder, import sgf, zip files, email files • Import game by pasting SGF data from clipboard • Built-in web browser to help import SGF link easily • Export a single game to other applications via Open In. Export multiple games or folders to a zip file, which can be emailed or handled to other apps(such as Dropbox) • Multi user support, view global problem test statistics and per folder problem test statistics • Choose 12 built in board background images and several stone textures. Custom board background image and stone textures are also supported

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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
RevenueCat
BUILD KIT DIFFICULTY

Not assessed in a Build Kit yet.

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.