Colorful - Simple QR Code App

◆ What is Colorful? "Colorful" is an application that allows you to easily color and create QR codes! ◆ How to use 1. Enter the URL or comment you want to use as a QR code in the input form. 2. Select the QR code color and background color. You can make a colorful QR code with just this! ◆ Sharing function You can post to LINE, Facebook, and Twitter.