Proton Mail is a secure email app offering end-to-end encryption for private communication.

Download Proton Mail from Google Play Store and install it on your device following standard procedures.

After opening Proton Mail, sign up for a new account or log in to start using encrypted email services immediately.

Key features include end-to-end encryption, zero access architecture, and easy migration from other email providers.

Customize preferences within settings to adjust notification styles, themes, and organizational tools according to personal needs.

Save favorite content by organizing emails into folders or applying labels for quick retrieval later.

Share content securely via encrypted emails directly through the Proton Mail application interface.

Access detailed information about emails and explore more content using search functions and folder structures provided.

Permissions needed include internet access and storage; manage these under app settings or device permissions menu.

Check for updates regularly in the Google Play Store to ensure smooth operation and latest feature availability.