http://developer.android.com/guide/market/billing/index.html
My members are begging (literally) for an Android version of our latest app... though it's revenue stream is based on in-app purchases.
After claiming I couldn't test without an Android device, they coaxed me over to the emulator. From there, I found this fancy "NEW!" page. And while I hate new things....... please pretty please be an early adopted on this. :-) :-) :-)