共有電話帳 is a free Android app developed by SoftBank Corp. It is part of the Business & Productivity category and allows customers who have signed up for the SoftBank Mobile smartphone corporation basic pack to centrally manage the phone book data of their employees. With this app, management bidders can create and edit a telephone number as a common in-house phone book and upload it to a shared phone book server. The phone book data can then be accessed and shared by employees using the app on their smartphones. Please note that this app is compatible with Android™ 2.2 or later SoftBank smartphones, with the exception of X06HTII, X06HT, 200SH, 203SH, 205SH, 206SH, and 304SH models. Before downloading, it is important to review the shared phone book software license agreement provided by the developer on their webpage.