# AI and product development | Muscle Industry

> Independent developer site for AI consulting, product development, and original product work.

Canonical: https://muscleindustry.work/en
Language: en

Independent developer · Muscle Industry

# Everyday ideas.  
Useful products.

Apps for everyday life and games to remember. Hands-on work from AI exploration to product design, development, and operation.

[Explore products](https://muscleindustry.work/en#game) [Discuss a project](https://muscleindustry.work/en/contact)

[▶ Official YouTubeApp walkthroughs and original games. See them in action.Explore videos](https://muscleindustry.work/en/youtube)

Original products

## Products for life and play.

Find something for you on each official site.

[![](https://muscleindustry.work/assets/_immutable/a036c30c8e5b93a4e5fd/apps/kazoku/favicon.svg)

Family planning

### Kazoku no Jikan

Compare birth timing, family ages, school years and household cash flow during parental leave. Store release in preparation.

Official site

](https://kazoku.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/788b41c511bea34e707a/apps/solitaire/icon.webp)

Card game

### Solitaire — Small Break

A little company for your next game. Play solitaire, collect date cards, and enjoy eight languages. iOS version in preparation.

Official site

](https://solitaire.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/b647aa3ecb2825ba76f0/apps/kage/icon-512.png)

Strength training

### kage

Log your sets, review recovery, and follow your personal records.

Official site

](https://kage.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/3108c907d5a383fcd49c/apps/nihongo-pocket/icon.png)

Japanese learning

### Nihongo Pocket

Learn Japanese through Burmese, with audio vocabulary, conversations, and reading.

Official site

](https://nihongo-pocket.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/785e1034ef6496f8d3e1/apps/sokudoku/icon.png)

Reading

### sokudoku

An RSVP reader that presents long text phrase by phrase at your own pace.

Official site

](https://sokudoku.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/127801549f5b95e40637/apps/photomemo/icon.png)

Photo notes

### PhotoMemo

Save signs and timetables, then find them through folders, notes, and recognized text.

Official site

](https://photomemo.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/8c2e8209c9a3044f5335/apps/yohaku/icon-192.webp)

Focus & rest

### Neko to Yohaku

A focus and break timer with a reading girl, a cat, and original lofi music.

Official site

](https://yohaku.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/1f4701447aa78f576eb6/apps/care-note/icon.webp)

Hair removal planning

### Care Note

Organize self-care, salon, and medical hair-removal plans and records. The iPhone app is in preparation.

Official site

](https://care-note.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/112da37dc41845194564/apps/kakiutsushi/icon.png)

Writing support

### Kakiutsushi

Display names and addresses one large character at a time as a guide for handwriting.

Official site

](https://kakiutsushi.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/7a960792237ee9f77efa/apps/madobeya/icon.webp)

Privacy

### Madobeya

Keep browsing, notes, schedules, and selected photos and videos in one protected space.

Official site

](https://madobeya.muscleindustry.work/)[![](https://muscleindustry.work/assets/_immutable/de8c96280751e29fa560/apps/kusuribako/icon.png)

Medicine inventory

### Ouchi no Kusuribako

Organize medicines at home by photo, remaining amount, and storage location.

Official site

](https://kusuribako.muscleindustry.work/)[

Comparison & guides

### Supplement Price Lab

Compare protein and creatine prices, with ingredient-based costs and buying guides.

Official site

](https://supplements.muscleindustry.work/)

[![The five queens of MetalQueens](https://muscleindustry.work/assets/_immutable/3ab0d01ad13e7c1a2de8/games/metalqueens/metal-queens-key-visual-800-v1.webp)](https://muscleindustry.work/en/products/metalqueens)

Original game · Steam

### MetalQueens

A story-linked metal rhythm game starring five queens. Discover the music and the characters.

[Explore the game](https://muscleindustry.work/en/products/metalqueens)

Videos & music[YouTube](https://www.youtube.com/channel/UCSg1PxTde0UBzNLpoiMOpsQ) [TikTok](https://www.tiktok.com/@muscle_industry)

Work together

## From the first idea to what comes next.

[Services & pricing](https://muscleindustry.work/en/products)

01

### AI consulting

Clarify the workflow, test a small prototype, and take it through adoption and operation.

[Try the AI trainer demo](https://muscleindustry.work/en/ai-trainer-demo)

02

### Product development

Design and build web products, apps, and APIs with a focused scope, through to release.

[Discuss development](https://muscleindustry.work/en/contact)

03

### Original IP game adaptation

Turn characters, stories, and music into playable experiences, starting with concepts and prototypes.

[Explore the service](https://muscleindustry.work/en/products/original-ip-game-adaptation)

Notes

## Build notes

[All notes](https://muscleindustry.work/en/blog)

[Aug 17, 2026

### Host-isolated Hono sites on Cloudflare Workers

](https://muscleindustry.work/en/blog/cloudflare-assets-first-hono-static-sites)[Aug 4, 2026

### Offline-first Nihongo Pocket for Myanmar

](https://muscleindustry.work/en/blog/nihongo-pocket-offline-audio-design)[May 15, 2026

### Faster corporate websites at the edge

](https://muscleindustry.work/en/blog/first-post)

Have an idea?

## Let’s talk about your idea.

Early ideas and open questions are welcome.

[Get in touch](https://muscleindustry.work/en/contact)