SmartCloud Phone by NTT COMWARE CORPORATION is a free business communication app available for Android users. It offers features such as internal and external calling, call forwarding, call pickup, auto-configuration, and cloud phonebook integration. The app is designed to provide an efficient and reliable communication system for businesses.

With SmartCloud Phone, you can easily manage your business calls and stay connected with your colleagues and clients. The app's auto-configuration feature ensures hassle-free setup, and the cloud phonebook integration allows you to access your contacts from anywhere. However, it should be noted that the app requires a separate application by the company to use, and it can only be used by businesses with a registered name.

Overall, SmartCloud Phone is a useful app for businesses looking for a reliable and efficient communication tool.