3SM is an Android-based internal communication app developed by Algar Telecom SA. It is a free app that falls under the Business & Productivity category. The app is compatible with Android 13.0 or higher and is designed specifically to facilitate communication among employees in an organization.

The 3SM app is a comprehensive solution that enables employees to communicate with each other in real-time. It has several features, including instant messaging, voice calls, video calls, and the ability to share files. The app also allows users to create groups, making it easier to communicate with specific teams or departments. Additionally, the app has a news section that keeps employees up-to-date with the latest company news and updates.

Overall, the 3SM app is a reliable and user-friendly internal communication solution that can improve communication and collaboration among employees in an organization. With its multiple features and easy-to-use interface, the app is a must-have for any company looking to enhance its internal communication system.