YBM Leaders center manager dedicated app OPEN! When a Mobile, you can learn to manage their members anywhere. [Information Use] 1. You can check attendance status and learning the history books by members 2. Check the events and notification information containing a wide range of benefits available 3. PUSH notification can be identified by the app include membership sign of history and messages in real-time services [Enabled terminal; YBM Mastery Junior The app has been optimized for the abov