We published some of our projects as open source:
GWT-Android-Emu
The library that we use to port from Android to HTML5 with GWT:
JMini3D
Our Android and GWT 3D engine:
Carballo Chess Engine
Is our chess engine used on the Mobialia Chess application:
Mobialia Trivial Spain
Our game of questions and answers, source available at Google Code:
Social Media Demo
This application shows some social media integration demos.
And we also participated on other open source projects:
LottoScan
A Spanish National Lottery cecker using the barcode reader developed on an Android CodeSprint: