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

Waku Waku Pass & Play

Japanese / EnglishiOS 18+

A collection of versus and co-op mini games for two players sharing a single iPhone or iPad. Japanese-themed games from Hammer Janken to Blade Catch.

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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More games the whole family can enjoy are on the way!

KEIDRONE
Available Now

KEIDRONE

Police vs. drones in an asymmetric chase. Blast them down, or dart through the indoor playland to stay free — and break your captured teammates out before the 3-minute round ends.

Released
2026.07
Players
1-8
Play on Roblox
OCTICAL
In Development

OCTICAL

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

Release
2026
Players
TBD
COMING SOON

Searching for the next constellation…

When a new game-star is born, you'll hear it here first.