Our founder, Ian Darwin, is the author of the O'Reilly Android Cookbook, containing advice from him and dozens of Android experts around the world on how to build great Android apps. He comes to Android from over a decade of building Java apps of all types: Swing, Web Server (Servlets, JSP, JSF, Seam 2, ...), JavaME/BlackBerry, and more. Ian also wrote the O'Reilly Java Cookbook based on his experience with Java.
We have created many Android apps. Here are some that are in the Google Play Store: