SecureAuthToken is a modern, privacy-first TOTP authenticator app designed to keep your online accounts safe. Generate time-based one-time passwords (TOTP) for 2FA/MFA, manage all your tokens locally, and enjoy a beautiful, distraction-free experience.

> Key Features:
> - TOTP Token Generation: Securely generate and display TOTP codes for all your accounts.
> - Account Management: Add, edit, and delete accounts with ease.
> - Real-Time Token Refresh: Codes auto-refresh every 30 seconds.
> - Copy to Clipboard: Tap to instantly copy your TOTP code.
> - Customizable Settings: Choose code length, refresh interval, and more.
> - PIN & Biometric Lock: Protect your tokens with a PIN or biometric authentication.
> - Backup & Restore: Export/import your accounts securely (no cloud, local only).
> - Dark Mode: Full support for dark theme and beautiful backgrounds.
> - No Ads, No Tracking: 100% privacy, no data leaves your device.
> - User Guide & Privacy Policy: Clear instructions and transparent privacy.
>
> Why Choose SecureAuthToken?
> - Privacy-First: All data is stored locally. No cloud, no analytics, no ads.
> - Modern UI: Clean, intuitive interface with dark mode and custom backgrounds.
> - Open & Secure: Built with the latest Android security best practices.

> How to Use:
> 1. Tap the "+" button to add a new account.
> 2. Enter your account name and secret key (from your service provider).
> 3. Your TOTP code will appear and refresh automatically.
> 4. Tap the code to copy it for quick login.
> 5. Set a PIN or enable biometrics for extra security.
> 6. Use backup/restore to transfer tokens between devices (local only).

> Typical Use Cases:
> - Secure login for Google, GitHub, Microsoft, Amazon, and any TOTP-compatible service.
> - Protect your work, personal, and cloud accounts with 2FA/MFA.
> - Manage multiple tokens for family or team members on one device.

> Note: This app does not sync or upload your data. All tokens are stored securely on your device.
3. App Usage Scenarios
Personal Security: Use SecureAuthToken to protect your email, social media, and banking accounts with TOTP-based 2FA.
Workplace MFA: Employees can manage multiple work-related tokens (VPN, cloud, admin panels) in one secure app.
Device Migration: Easily export and import your tokens when switching to a new phone, without cloud sync.
Family/Team Use: Manage and back up tokens for family members or small teams, all locally and securely.