Much to our surprise at the time, when Adobe sent us a Flash 10.1-enabled Nexus One for testing, the phone came preloaded with a preview build of Android 2.2 -- a.k.a. "Froyo" -- the apparent turning point for curbing Android fragmentation due for a very public unveiling today at Google I/O. We've had a day or two to dig into it, and while we're surely missing some improvements here or there (Google was unable to provide us a changelog as of this writing), we've spent pretty much all our waking moments combing through