# Colorful Janken Brain Training

> Fun 3-minute daily brain training to boost focus and thinking speed.

Canonical page: [https://chrome-stats.com/d/com.Ark\_of\_OT.ColorfulRockPaperScissorsBrainTraining](https://chrome-stats.com/d/com.Ark_of_OT.ColorfulRockPaperScissorsBrainTraining)

## Overview

- **ID:** `com.Ark_of_OT.ColorfulRockPaperScissorsBrainTraining`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** GAIBAKO
- **Category:** GAME\_CASUAL
- **Downloads:** 26
- **Version:** 1.0.2
- **Last updated:** 2026-06-03
- **First published:** 2025-11-27
- **Publisher country:** JP
- **Size:** 51 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.Ark_of_OT.ColorfulRockPaperScissorsBrainTraining)
- **Privacy policy:** [https://postherapistdao.wixsite.com/network/general-5](https://postherapistdao.wixsite.com/network/general-5)

## Description

Full Description<br><br>(Optimized for Google Play, non-medical tone)<br><br>A quick and fun brain workout — just 3 minutes a day!<br>This app helps improve focus, memory,<br>thinking flexibility, and information processing speed<br>through simple daily games.<br><br>Colorful Janken Brain Training<br>is a brain training game that focuses on<br>fast reactions and decision-making,<br>with simple rules that anyone can enjoy.<br><br>How to Play<br><br>Smartphone / Tablet: Tap the screen<br><br>Training Content<br><br>Players must quickly and accurately recognize<br>the janken symbols (rock, scissors, paper)<br>shown on cards in three colors<br>(red, blue, and yellow),<br>then choose the correct action.<br><br>After each session, the following results are shown:<br><br>Number of correct answers<br><br>Number of errors<br><br>Total time<br><br>In advanced modes:<br><br>Best Time<br><br>Personal Top 10 Ranking<br><br>─── Features ───<br><br>Short daily sessions to improve focus and reaction speed<br><br>Simple and intuitive user interface<br><br>Perfect for quick play during breaks or commuting<br><br>Data Collection<br><br>This app is intended for entertainment and brain training only.<br>No personal data or gameplay data is collected or stored.

## Rankings

- #2,499,321 — Overall

## Permissions and access

### Permissions

- `android.permission.INTERNET`
- `com.Ark_of_OT.ColorfulRockPaperScissorsBrainTraining.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.CHECK_LICENSE`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.Ark_of_OT.ColorfulRockPaperScissorsBrainTraining)