Sun Java Wireless Client, Oracle’s Java implementation for mobile handsets, is now pre-integrated with Brew MP. “Oracle’s Sun Java Wireless Client’s pre-integration onto Brew MP gives Java developers access to an even larger universe of mass-market mobile devices,” said Jeet Kaul, vice president, Java Engineering, Oracle.

The Android project has released an early-look software developer kit for Android 1.5. Developers can use the SDK to try out the new version of Android and also start creating mobile applications for the final Android 1.5 SDK release that is expected around the end of this month.

How you go about developing software for mobile devices depends primarily on which platform you intend to develop. While there are many large players competing in the the mobile platform market, there doesn’t seem to be an obvious winner.