By now you've probably heard about the T-Mobile G1 smartphone, which runs Google's Android platform. There's a reference on Slashdot today to an article about getting started in Android game development. It's a nice, short article that clearly covers some of the basics behind getting started with Android development.
If you've been interested in learning how to program games for cell phones, now is a great time to start. Spend some time exploring FreshBrain, you'll find some Java ME-based projects for creating cell phone games. Or, if you're interested in trying your hand at some Android development (which uses the Java programming language), check out the article above, and consider starting your own project!