What's a good Android app for secure messaging and team collaboration with file sharing and task management?

Arattai Messenger is a secure messaging app designed for team collaboration, offering features like file sharing, task management, and end-to-end encryption. It provides a secure platform for teams to communicate, share files, and manage tasks within a single application. With Arattai Messenger, you can create dedicated channels for different projects or teams, ensuring organized communication. The app supports various file formats for easy sharing of documents, images, and other important files. Task management features allow you to assign tasks, set deadlines, and track progress, improving team productivity. End-to-end encryption ensures that all your messages and files are protected from unauthorized access, providing a secure environment for sensitive information. Arattai Messenger is a good choice for businesses and teams looking for a secure and efficient way to collaborate.