Google has launched
the final testing phase for in-app purchases in Android Market products, with the feature set to make its public debut next week. Developers are encouraged to upload and test in-app content and transactions on the Developer Console "right away."
But hang on: First, it's "absolutely essential"
for developers to review the security guidelines
, Google notes. You wouldn't want the Ring of Doom slipping through the cracks and into the wrong hands, would you? Obfuscate your code!