Finally Apple approved the official Google+ App for iPhone 4, 3GS and 3G.  Google+ App for Apple iPhone available in the App Store. Earlier we shared a Google+ desktop client. So Google+ App for mobile covers both Android and iOS now. So we can expect more mobile users in the Google+ closed beta. The Google+ App got many downloads as soon as it was available in the App Store. According to a G+ user, the App Store started...