Case Studies

Mobile Apps

Visual English Dictionary

A dictionary app to learn English in 30+ languages.

Duration: 2 months

Tech: SQLite, Flutter, Firebase

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Mobile Apps

Voice Grammar

Interactive voice-based English learning app.

Duration: 1 month

Tech: Flutter, Firebase

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Mobile Apps

Study Field

AI-powered learning app with instant feedback.

Duration: 3 months

Tech: Flutter, Firebase

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Web Apps

Yasai App

Matching farmers and consumers for on-site harvest and purchase.

Duration: 3 months

Tech: Flutter, Firebase, Stripe API

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Web Apps

Math Learning App

Covers elementary to high school math; multilingual for learners worldwide.

Duration: 3 months

Tech: Flutter

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Web Systems

Linkmall

A new EC platform that lets you sell products by simply sharing links.

Duration: 5 months

Tech: HTML, Tailwind CSS, Flutter, Firebase, Stripe API

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Web Systems

Home-Visit Nursing Schedule Manager

Real-time schedule management for home-visit nurses by care managers.

Duration: 1 week

Tech: Flutter, Firebase

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Web Systems

Attendance Management System

Time tracking and leave approvals via smartphone for construction sites with direct travel.

Duration: 2 weeks

Tech: Flutter, Firebase

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Websites

Nakatsu Station Shopping Street

Website for a local souvenir cooperative in Nakatsu, Oita.

Duration: 1 month

Tech: HTML, Tailwind CSS

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Websites

Refresh & Reboot Salon HINATA

Website for a relaxation salon in Usa, Oita.

Duration: 1 month

Tech: HTML, Tailwind CSS

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Websites

Server Field

Site explaining rental servers in an easy way.

Duration: Ongoing updates

Tech: WordPress

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Websites

Inkan Field

E-commerce site selling handcrafted seals from Chinese artisans.

Duration: Ongoing updates

Tech: WordPress, Stripe

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Websites

Visual English Dictionary Service Page

Service page introducing the app available in 30+ languages.

Duration: 0.5 months

Tech: HTML, Tailwind CSS

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Other IT Tools/Systems

Translation Support Tool Isometry

Translation-assistance tool adopted by Deloitte Tohmatsu (IP now held by another company).

Duration: 3 years

Tech: Java, Google Cloud

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Other IT Tools/Systems

Automatic Video Creation System

Creates language-learning and math-education videos automatically.

Duration: 1 month

Tech: Go

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Other IT Tools/Systems

Order Management System

Members-only EC site and order management system for overseas buyers; includes catalog and chat.

Duration: 3 months

Tech: Flutter, Firebase

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