カラオケ レインボー is the official app of Karaoke Rainbow, a karaoke chain operating in the Kansai and Kanto areas of Japan. This app offers a range of convenient and affordable features, including store search, exclusive coupons, menu and latest information check, Twitter sharing, and reservation function.

One of the key features of this app is the "Membership Card" function, which allows users to simply display their screen at the store for check-in (pre-registration is required).

The main features of the app include:

1. Check nearby stores on a map

2. Search for routes from your current location to the store

3. Get exclusive "limited-time coupons" available only on the app

4. Use the "Mobile Membership Card" when entering Karaoke Rainbow

5. Register as a new member of Karaoke Rainbow Mobile Membership

6. Make advance reservations

7. Check the food menu

8. Stay updated with the latest news and information

9. Save your favorite stores

10. Share store and coupon information via email or Twitter

For detailed instructions on how to use the app, please refer to "INFO" > "How to Use" within the app.

We look forward to your use and visit!