PGPony is an OpenPGP app for Android. Encrypt, decrypt, sign, and verify messages and files, manage your keyring, and use a hardware security key over NFC, all on device. Features: - Encrypt, decrypt, sign, and verify text and files - Generate modern keys, including RFC 9580 (OpenPGP v6) Ed25519 and X25519, with Argon2id passphrase protection - Hardware security keys over NFC, including YubiKey 5 NFC and Token2, with on-card key generation, decrypt, sign, PIN management, and factory reset - Read your password-store (pass) entries, including those protected by a hardware key - Key discovery through WKD and the keys.openpgp.org verifying keyserver - Optional contact integration for choosing recipients - QR import and scanning for keys - Biometric lock and secure-screen protection PGPony does not use accounts, ads, analytics, or tracking. The F-Droid build contains no Google services and runs fully on de-Googled devices. The cryptographic core is published separately as open source (PGPonyCore-Kotlin), and the full app source is available under the Apache-2.0 license.