The open-source code for the card.io-Android-SDK: provides fast, easy credit card scanning in mobile apps
Open-Source Android Apps
Bullet Force Source Code for iOS & Android
"ST BLE Sensor" Android application source code.
Source code for the second edition of Head First Android Development
This is the source code for Thunderboard application for Android.
ST NFC Sensor Android application source code.
Source code for the GR8Conf Agenda Android application
Source code for the WSDOT Android application
The source code for the course "Building Scalable Apps with Google App Engine".