The first applets to discover are the Demo Applets. If you have installed the JDK, they can be found in demo/applets. Note that the JDK 7 distributes the demos in a separate package. Alphabetically, we can start with Animator example 1. If you want to run it natively instead of in a browser for now, ... Read more »
Quequero recently reverse-engineered RootSmart Android Malware which explains a facet of Android malware.
Dinesh Shetty walks through reverse-engineering a piece of Android malware in Demystifying Android Malware.Read more »