Sumi Block Puzzle
Quiet block puzzle
A calm, offline 9×9 wood block puzzle for iPhone and iPad. Clear rows, columns and 3×3 squares. Free gameplay, no ads, and optional hand-painted themes.
プロダクト 
Coming to the App Store Products
プロダクト一覧
アプリ、AIツール、ブラウザ拡張、静かなゲーム、そして率直な開発復盤。各ページでダウンロード、ソースコード、プライバシー、サポートを網羅。
プロダクト Coming to the App Store 
Sumi FreeCell Solitaire
Quiet card game
Offline FreeCell for iPhone and iPad: eight face-up columns and four free cells, tap or drag controls, unlimited undo, hints and automatic saves. Easy-Read Mode enlarges the cards, and twelve interface languages can be selected in Settings.
プロダクト Coming to the App Store 
Sumi Klondike Solitaire
Quiet card game
An offline iPhone and iPad Klondike solitaire with a classic green felt default. Undo, hints, saves, and draw-one or draw-three are always free; the Classic Green default skin is free, and one one-time purchase unlocks all paid skins.
プロダクト Coming to the App Store 
LeanTake
Mac screen recorder
スクロールスクリーンショットとクリップボード履歴を瞬時にキャプチャする軽量Macツール。
プロダクト Coming to the Mac App Store 
DockTouchBar
Touch Bar utility · AI coding case study
MacBook ProのTouch BarにDock、メディアコントロール、ショートカットを表示し、操作性を劇的に向上。
下载 DockTouchBar
Mood Button
Local AI mood journal
Macのメニューバーに常駐するインタラクティブな癒やしボタン。感情を静かに記録。
Sumi Mahjong
Quiet puzzle game
A quiet iPhone and iPad tile-matching game with hand-tuned ink tiles, offline play, and optional one-time theme unlocks.
DrowseBook
Bedtime read-aloud reader
An iPhone bedtime reading and listening app for EPUB, PDF, TXT, MOBI, AZW3, Apple TTS, ambient sound, and sleep timers.
GlotShot
PostmortemPostmortem: App Store asset automation
A batch App Store preview generator whose basic screenshot workflows are increasingly easy to automate with AI coding tools.
TrekReel
3D trail-story tool
GPXトラックから実衛星画像と地形を用いたシネマティックな3Dルートストーリー動画を作成。
WitNote
Local Markdown and AI writing workspace
ローカルファーストのMarkdownとAIライティングワークスペース。構造化された思考と高速な執筆を支援。
Packpour
PostmortemPostmortem: App Store Connect automation
A project about App Store Connect field automation, locale packs, and side-panel workflows, now kept as a postmortem and operations lesson.
BeRaw
Behance raw-image utility
A focused browser tool for raw-image detection, source-image strategy, ZIP batching, and small-tool privacy lessons.
DOMPrompter
PostmortemPostmortem: AI frontend helper
A tool that once tried to help AI agents locate frontend elements precisely. Newer Codex and browser agents are reducing the need for this middle layer.
AgentLimb
AI browser-control tool
AIエージェントにローカルツールの手足を与えるCLIブリッジ。自律的なタスク実行を支援。
Codex Quota Calendar
Codex quota utility
A local macOS menu-bar utility for reading Codex quota usage, daily rhythm, weekly remaining quota, and depletion estimates.
UIXskills
Postmortem復盤：AIデザインプロトコル
An experiment connecting AI output, JSON, whiteboards, skills, and UI implementation, now kept as a method-product postmortem.
DailyZikr
Dhikr and prayer utility
A lightweight iOS product for daily dhikr, tasbih counting, qibla direction, and localized Islamic practice support.
Rushi
Scripture reading and copy-practice app
Rushi brings together the Diamond Sutra, Heart Sutra, multilingual scripture text, mala counting, quiet sound, and source-backed copybook practice based on open or public-domain source images. Reading and mala features are free; Copy Practice Unlock is an optional one-time in-app purchase handled by Apple StoreKit.
About
Hooosberg is an independent software studio operated by Yuanbo Hu.
Contact: [email protected]