Rakuten Books is a free Android app developed by Rakuten Group Inc. that serves as the official app of their mail-order site. The app offers a wide array of products, including books, comics, magazines, DVDs, CDs, and games, with over 2.5 million items in stock. What sets Rakuten Books apart from other online shopping sites is their free shipping policy on all items at any time. They also offer the shortest next-day delivery service, which is free of charge. The app has a crisp and extensive search feature that supports barcode scanning. It also features a genre ranking system and a favorite function that is linked to the website. Get up to 23% off on DVD and Blu-ray purchases and accumulate Rakuten points that you can use for future purchases. Rakuten Books app is a must-have for all book lovers who want a hassle-free and convenient shopping experience.