Starbucks Japan Mobile App is a free and official mobile application developed by Starbucks Coffee Company. This app is designed to make your Starbucks experience more convenient by allowing you to discover new favorites, pay in-store, and earn rewards with every purchase.

With this app, you can easily pay in-store, check your Starbucks Card balance, view past purchases, and transfer balances between cards. You can also access everything you need, including rewards, promotions, eTickets, and more from the home screen.

One of the most remarkable features of this app is its Starbucks Rewards program. You can earn Stars by paying with your web-registered Starbucks Card, which can be redeemed for different "Star Rewards" available for different membership statuses. Additionally, you can send eGifts via LINE and other social networking services and create original message cards with your favorite photos.

The app also allows you to browse food and drinks from the menu, find stores near you, view store amenities, and receive special offers and Starbucks Rewards information via Inbox and push notifications. Overall, the Starbucks Japan Mobile App is a great tool for Starbucks lovers who want to make their experience more convenient and rewarding.