I'm a software engineer based in Japan, building cross-platform mobile apps, practical AI workflows and as a hobby, IoT systems. I enjoy taking ideas from scratch to production with clean architecture and real-world utility. ๐
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| Product | What it does | |
|---|---|---|
| ๐ฎ Alt Games Portal | Published mobile gaming platform with an agentic AI game generator that creates playable 2D games from text prompts or images. Scaled from native Android to Flutter with 150K+ Google Play downloads. | ๐ฑ |
| ๐ค AI Dev Team Flutter | Open-source repo-based AI development office coordinating specialized agent roles (Product, Design, Flutter Dev, QA) with role contracts, branch ownership, and FVM quality gates. | โจ๏ธ |
| ๐๏ธ Live Language Translation | Real-time Japanese-to-English speech translation system capturing WASAPI system audio with WebSocket streaming to a web dashboard and floating desktop overlay. | โจ๏ธ |
| ๐ค Brobot Companion Lab | Desktop companion robot built with Electron, Three.js, and local Ollama LLMs using structured JSON action schemas for animated expressions and voice interactions. | โจ๏ธ |
| Product | What it does | |
|---|---|---|
| ๐ Pico W Room Controller | Local smart room hub reverse-engineering 144-bit Fujitsu AC IR protocols, ceiling lights, and TV remote learning with dual-core RP2040 execution, HomeKit, and OTA updates. | โจ๏ธ |
| ๐ก Ambilight ESP32 HomeKit | Dual-mode ESP32-C3 controller bridging real-time Hyperion UDP ambient TV backlighting with Apple HomeKit light control and automatic mode arbitration. | โจ๏ธ |
| ๐๏ธ Pico Hyperion Sentinel | Interactive animatronic eye and LED system syncing physical servo tracking and eye expressions with Hyperion screen-lighting data. | โจ๏ธ |
| Product | What it does | |
|---|---|---|
| ๐ผ Fishtail Client Suite | Production client ecosystem combining public mortgage/realty financial calculators with an internal 6-role employee loan management system. | ๐ |
| ๐ฆ Traffic Monitoring System | Crowdsourced traffic monitoring platform converting mobile GPS probe data into real-time congestion heatmaps with a React dashboard and Laravel backend. | โจ๏ธ |
- Mobile & Frontend: Flutter, Dart, Native Android (Kotlin/Java), Next.js, React, Tailwind CSS
- Backend & Web: Laravel, PHP, JavaScript/TypeScript, SQL, REST APIs, WebSockets
- Embedded & Systems: C/C++, Raspberry Pi Pico W, ESP32, Arduino, BLE, IR Protocols
- AI & Tools: Agentic AI Flows, Firebase, Local LLMs (Ollama), Whisper Speech AI



