Halo Authenticator is a simple TOTP authenticator for generating secure two-step verification codes on your device. Add accounts by scanning a QR code, importing a QR image from your gallery, or pasting an otpauth link or Base32 secret. Your TOTP seeds are encrypted locally with Android Keystore and used on-device to generate verification codes. Key features: - Generate time-based one-time passwords for supported services - Scan authenticator QR codes with the camera - Import QR codes from saved images - Paste otpauth links or Base32 secrets manually - Search, sort, edit, and delete local authenticator entries - Optional hidden codes, screenshot blocking, and next-code preview - Multiple display languages Privacy notes: - TOTP seeds and one-time codes are stored locally on your device - The app does not require a user account for TOTP data - The app includes Google Mobile Ads SDK for advertising features - Advertising-related data may be processed by Google Mobile Ads SDK for ads, analytics, and fraud prevention