If you're looking to Download Japanese Ruby on your Chromebook laptop Then read the following guideline.

This is an APP that add ruby characters (furigana) to Japanese inputted by camera, photo, pasting, handwriting for Japanese beginner automatically. Usage 1: You can copy characters from Safari, and paste them into the text box, and study Japanese with hiragana or English characters. Usage 2: You can study Japanese by camera or photo library. Usage 3: You can input unknown kanji by handwriting and check how to read it. Usage 4: You can input text with keyboard, and send the text with ruby in PDF by mail.