https://github.com/dschuermann/apg
Android Privacy Guard (APG) is a OpenPGP implementation for Android.
License: Apache License v2
Developer: Thialfihar (Main developer v1.x), Senecaso (QRCode, sign key, upload key), Markus Doits (AIDL), Oliver Runge, Dominik Schürmann (Developer v2.x)
• ActionBarSherlock (Apache License v2)
• ZXing QRCode Integration (Apache License v2)
• SpongyCastle (MIT X11 License)
• Icons from RRZE Icon Set (Creative Commons Attribution Share-Alike licence 3.0)
• Icons from Tango Icon Set (Public Domain)