What's the best Android app for secure and private messaging, voice calls, and video calls with end-to-end encryption for enhanced privacy?

Signal Private Messenger is a great Android app for secure communication, offering end-to-end encryption for messaging, voice, and video calls. It's designed to protect your privacy and keep your conversations secure. The app is simple to use and provides a range of features to ensure your communications remain private. You can send text messages, photos, videos, and files securely. For voice and video calls, Signal uses end-to-end encryption to prevent eavesdropping. Signal also offers disappearing messages, allowing you to set a timer for how long messages remain visible. To use Signal, simply download the app from the Google Play Store, verify your phone number, and start communicating securely with your contacts who also use Signal. You can also link Signal to your desktop for seamless messaging across devices. Regular backups ensure that your messages are saved, but remember your pin code to recover them. The app's focus on privacy makes it a top choice for users who prioritize secure communication.