Now with an official app, combined with background GPS updating features in iPhone OS 4, iPhone users, too, will be able to take advantage of all Latitude has to offer.

After briefly appearing in Japan’s App Store, Google’s Latitude app is now in your App Store—and this time, it doesn’t look like an accident. Stalk friends! Be stalked! It’s free!

Initially, there was fear that a Latitude app would be confusing to people who use Google Maps. Not for the Japanese, however, who had a brief taste of the app before it got pulled. Can we expect ...