OUR PHILOSOPHY

Turning “wouldn’t it be nice” into reality.Apps that make everyday life a little easier.Games where kids learn through play.

Metalels Studio is a small studio turning everyday “wouldn’t it be nice” moments into carefully crafted apps and games.

OUR MASCOT

Meet Hoshimori Kohaku

A starry-bandana Chihuahua who shows up across our apps, games, and stickers.

Hoshimori Kohaku

Profile

Hoshimori Kohaku/ Hoshimori Kohaku

The name "Hoshimori" means "star-keeper" — a quiet companion watching over the night sky.

Breed
Long-coat Black & Tan Chihuahua
Signature
Purple star-pattern bandana and soft long fur flowing from the ears
Personality
Cheerful, curious, expressive
Loves
Joining everyone’s chats
iOS APPS

iOS Apps

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Built for myself and my kids — then polished for you.

Today's pick

Waku Waku Drive! 3D City

Japanese / EnglishiOS 17.6+

Drive freely through a 3D city! A kids game where you can drive fire trucks, ambulances, taxis and more. No ads, fully offline — safe for kids.

Download on theApp Store

First Characters -Let's learn with Kohaku-

Japanese / EnglishiOS 17.6+

This app supports learning letters and how to read them.

Download on theApp Store

SmaVoi: AI Voice Recorder

Japanese / EnglishiOS 26+

Voice recording app with real-time transcription and AI summary features

Download on theApp Store

URL & QR Reader

Japanese / EnglishiOS 18+

Scan QR codes and URLs from images with security checks

Download on theApp Store
Today's pick

Where's Kohaku?

Japanese / EnglishiOS 18.4+

A kids' educational game to find hidden Kohaku and items in colorful pictures

Download on theApp Store
Today's pick

Waku Waku Quiz! Kids Expert

JapaneseiOS 17+

Kids educational quiz app where you grow Kohaku by answering quizzes on animals, space, vehicles, dinosaurs and more

Download on theApp Store

English Phrase Pool

JapaneseiOS 26+

Learn curated daily phrases and improve your English through conversation and pronunciation practice

Download on theApp Store
Today's pick

Copry! Clipboard History

Japanese / EnglishiOS 17+

Auto-save clipboard history just by sharing. Search and re-copy text & URLs anytime.

Download on theApp Store

Scanitry

A document scanner app in development. Quickly capture, scan, and keep your everyday paperwork organized — a lightweight tool for tidy document management.

In Development

Waku Waku Space Cruise! 3D Solar System

A 3D space cruise game in development. Pilot your ship through the solar system, collect rare minerals, and unlock new vessels.

In Development

Human Seed

A 2D RPG in development. Journey through the ancient ruins of the Archive Chambers, tracing the memories of a fallen civilization.

In Development
PC GAMES

PC Games

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Heading to a bigger screen — our next adventure in the making.

OCTICAL
In Development

OCTICAL

A new low-poly PC game — now in development.

Release
2026
Players
TBD