About a month after RIM announced its BlackBerry PlayBook tablet, the company is releasing its BlackBerry Tablet OS SDK for Adobe AIR, a software developer kit that can be used to program apps and games for the PlayBook.

The SDK specifically targets Adobe AIR, a tool that allows developers to create software that can work on a variety of platforms, including Windows, Mac, and the BlackBerry PlayBook. Working with the cross-platform Adobe AIR is part of RIM's strategy for getting more Web developers to generate PlayBook apps, who might not ordinarily create applications for the smaller BlackBerry smartphones.