Colorful Janken Brain Training

Full Description

(Optimized for Google Play, non-medical tone)

A quick and fun brain workout — just 3 minutes a day!
This app helps improve focus, memory,
thinking flexibility, and information processing speed
through simple daily games.

Colorful Janken Brain Training
is a brain training game that focuses on
fast reactions and decision-making,
with simple rules that anyone can enjoy.

How to Play

Smartphone / Tablet: Tap the screen

Training Content

Players must quickly and accurately recognize
the janken symbols (rock, scissors, paper)
shown on cards in three colors
(red, blue, and yellow),
then choose the correct action.

After each session, the following results are shown:

Number of correct answers

Number of errors

Total time

In advanced modes:

Best Time

Personal Top 10 Ranking

─── Features ───

Short daily sessions to improve focus and reaction speed

Simple and intuitive user interface

Perfect for quick play during breaks or commuting

Data Collection

This app is intended for entertainment and brain training only.
No personal data or gameplay data is collected or stored.