Many people have asked "How can I transfer my iTunes library to my Android handset". The answer is
doubletwist. Again, not used this, but this solution appears to work for most people. Alternatively, you can try
iSyncr which allows you to sync your Android device directly with iTunes. It costs a little, but it means you don't have to mess about with porting your library with doubletwist. There is also a Mac version and an addon which allows you to sync via WiFi.