Google's famous penchant for keeping things in beta doesn't seem to have changed lately, as the company's App Inventor for Android is still keeping its Greek lettering, but at least access has now been opened up for everyone to enjoy. The switch from private to public beta isn't the most significant thing in the world -- up until now you just had to ask for an invite to get one -- but we're sure amateur Android coders and experimenters will appreciate not having to go through that extra step. The App Inventor's sitting in Google Labs right this minute, w