DMMブックス 人気マンガ・コミックが楽しめる電子書籍アプリ is a books & reference app by DMM.com with 1,000,000+ downloads (about 1.8M estimated). +4.8K installs in the last 7 days. Rated 4.4 from 59K ratings. Install growth, rank history, SDKs and ad networks.
From the store listing: “[About DMM Books]
DMM Books is the official viewer app for smartphone and tablet-compatible e-books purchased from DMM on your Android device.
Simply log in with your DMM account to easily enjoy your purchased manga, novels, photo books, and more.
You can instantly read free books in the app without registering a DMM…”