With a couple of downloads and the camera application on a smart phone, users of Tonchidot’s software can view information on their phone screen about their physical location, drawn from geo-tagged content submitted by users. They can also battle virtual monsters or defuse virtual bombs in real-world environments. Tonchidot’s technology combines the “check-in” elements of companies like Foursquare Inc. with social games similar to those of Zynga Game Network Inc.

Honda says his favorite Tonchidot game is called Sekai Hero, in which he checks in to a location to collect points with his pink-haired monk avatar. He can also fight monsters that might be lurking in the location’s augmented reality space. “I play quite a bit,” he said. “My wife is actually fed up with me.”

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The first: iLife ’09. iPhoto now offers a new feature called Faces, which categorizes photos by faces. The software uses a technology called “face detection” to ID the subjects of photos. It asks you to identify the subjects first and then scans the remainder of your photos; using face recognition, it identifies other photos in which those subjects appear.

Another new iPhoto feature: Places. It does the obvious. Using the GPS geotagging built into newer cameras and “the best cellphone in the world,” iPhoto identifies the location at which photos were taken and categorizes them accordingly. What about photos that don’t include those geotags? Manual entry solves that problem with a little help from Google Maps.

Apple has also added Facebook and Flickr support to iPhoto. Set up your accounts in iPhoto and the software will automatically send your photos to those services and allow your Facebook friends to tag them if you so choose. Beyond these features, iPhoto includes a slick new slideshow and book themes.

People rarely tag photos because identifying and labeling the people in them is an arduous, manual procedure. This week, I tested the new version of Google’s free photo organizing and editing software, Picasa 3 ( picasa.com) and an updated version of its free online-sharing component, Picasa Web Albums. The Web component tries to take some of the work out of identifying people in your shared photos using facial recognition. It automatically isolates faces in your pictures, invites you to identify them by name, and then recognizes these faces every time they pop up in future pictures so they can be tagged with one click and no typing.

New and Improved

Picasa 3, the Windows desktop application, includes a handful of new or improved features, including smarter editing tools, like cropping suggestions, and a one-step process to share photos from desktop albums. It also has the ability to create movies from still photos; to edit video clips and to upload those movies to YouTube. Personalized photo collages are a snap to make, and pictures can be labeled with text right on the image.

But my favorite feature, the ability to name-tag faces in photos, is found in Picasa Web Albums.

When photos are uploaded from a personal computer to Picasa Web Albums and a user enables Name Tags, facial recognition finds all of the photos containing faces and then groups together the photos it thinks are of the same person. The user must create name labels to go with each face. Once a face is labeled, the program does a pretty good job of recognizing that face in subsequent photos and suggesting a name to go with it. These labels can be seen by you or others, if you enable visible name tags when sharing.

In Sync

Another plus in Picasa 3 and Picasa Web Albums is that both now clearly label all albums to show which are public or private, and which are set to automatically synchronize with the Web-based versions of these albums. And these two programs are smart enough to synchronize with one another using a single mouse-click. Picasa Web Albums worked so smoothly that I often forgot it was Web-based and not a desktop application. But all photo editing and retouching must be done on Picasa 3, the desktop program. This led to many moments when I became absorbed in Picasa Web Albums and looked there for editing tools before remembering I needed to return to Picasa 3 to touch up photos.

Likewise, name tagging can only be done on Picasa Web Albums because photos must be uploaded and scanned for facial recognition to work. I found myself offline in the Picasa software, noticing a photo with a face that wasn’t name tagged and wanting to label it, but not being able to do so without using Picasa Web Albums.

Some Back and Forth

I eventually got used to this back and forth between Picasa and Picasa Web Albums, but it could be a deterrent for some users. Google (GOOG) says it is looking into how to integrate name tags with its Picasa 3 desktop software. As for making a Mac-compatible version of Picasa 3, the company says it doesn’t have any plans to report. However, the Web component, including face recognition, works fine on a Mac, and Picasa offers a free uploading utility for Macs that allows pictures to be sent to Picasa Web Albums directly from Apple’s (AAPL) iPhoto software.

I was surprised by how much I enjoyed the process of labeling photos with name tags. This provided a new way to sort images according to who was in each shot, and Picasa even found some hidden faces of friends I hadn’t seen in photos, giving me a new perspective on an old picture. Of course, the system isn’t perfect. A few things — including a lamppost — were falsely identified as faces in my photo albums, and it even requested name labels for the faces in photos I took of Renoir paintings.

There’s no way to completely turn name-tagging over to Picasa; you must manually assign a name to each face. But this discovery process grows smarter the more it is used, returning accurate, selectable name-tag suggestions below each photograph. A People page lists all the people whose faces appeared in uploaded photos, and I started relying on this as a quick reference tool. A photo name tag can include a nickname, full name and email. If someone is already listed in your Gmail contacts, these data are automatically retrieved and entered as you begin typing a name.

A Sync button at the top of each album in the Picasa desktop software assures users that any changes or edits made to photos in albums on the desktop will automatically be reflected in the Picasa Web Albums. I tested this many times, and uploaded photos changed quickly to match the desktop copy.

Picasa 3 offers customizable photo collages and Picasa Web Albums uses name tags to label faces in photos.

Instead of uploading photos from Picasa 3 to Picasa Web Albums and then sharing them from there, users can now hit a Share button in Picasa 3 that uploads images and emails them in one neat step. Privacy status on all albums is clearly marked, both in the desktop software and online in Picasa Web Albums, so you know if your album is private or public. These options can be adjusted in Settings, where the language used to describe sharing conditions is very clear. I liked the useful editing tools in Picasa 3, including an automatic crop tool that generated three cropping suggestion previews per photo.

Getting the Red Eye Out

A new automatic red-eye removal tool returned accurate results; it was easier to use than most because it identified red eye for me so I could fix it with one click. “Fill light,” a standby in Picasa, is a movable scale that adjusted and brightened dark, shadowy photos that were originally hard to distinguish. I even found photos that I had not previously seen in their entirety — including shots of the inside of Notre Dame Cathedral and a favorite photo of me with friends in front of a sunset.

Along with these other features, Picasa 3 has a shortcut button for easy uploading to Google’s Blogger service and one-step Geotagging, which adds location tags to photos. This software also includes a nice-looking built-in photo viewer for looking at all images on your PC. Picasa Web Albums has a mobile component and a new way of finding public photos from around the world, called Explore, which reminded me of searching on Flickr.

If you’re looking for a richer photo-sharing service that doesn’t confuse users when it comes to privacy, Picasa 3 and Picasa Web Albums are well worth your time. And name-tagging will change the way you sort through photos, though it would be more useful if it was available in the Picasa desktop software, as well as on Picasa Web Albums.

Edited by Walter S. Mossberg

Write to Katherine Boehret at mossbergsolution@wsj.com

Now there’s a way to upload photos that are already labeled with their exact latitude and longitude using geotagging, the fancy name for labeling data with information on its geographic origin. Photos with “geotags” have coordinates embedded invisibly in them. Some programs or online photo services use these tags to generate maps showing just where each photo was taken, or to label or organize the images. Not long ago, this capability was mostly done through manual labeling or with costly equipment.

The $129 Eye-Fi Explore Card from Eye-Fi Inc. gives people the ability to wirelessly send geotagged photos from a digital camera.

This week, I tested the $129 Eye-Fi Explore Card (EyeFi.com), a special two-gigabyte memory card from Eye-Fi Inc. that adds a photo geotagging feature to Eye-Fi’s original functionality: the automatic wireless uploading of photos, straight from a digital camera to a home computer or photo-sharing service. If all goes well, users can capture and upload what are essentially geographically prelabeled batches of digital photos — with minimal effort and time.

But after days of testing, I found myself more frustrated as I used this wireless memory card in various places and situations, and found the tagging to be unreliable in one scenario. (Eye-Fi Inc. said my experiences weren’t typical.) At home in Washington, D.C., and while on a business trip to California, I tried it using a two-year-old Kodak digital camera and two different Vista laptops, though it also works on Macs.

Eye-Fi introduced the Explore Card as a follow-up to the company’s original wireless memory card, which it introduced last fall. Once set up, the first Eye-Fi card initiated the transferring of photos to a computer or Web site whenever the digital camera was turned on and as long as it was near a pre-associated wireless network.

Through a partnership with Skyhook Wireless, the Explore card can automatically label photos with their latitude and longitude using data from the Skyhook’s Wi-Fi positioning system. As long as a photo is captured within the Skyhook coverage area, which the company says covers 70% of North America, and the geotagging is enabled, each photo will be coded with data identifying where it was captured.

The Explore Card turned otherwise normal photo-sharing sites into mini maps showing where I had traveled while on a business trip in Silicon Valley. I set my account up to work with Flickr, Kodak Gallery, Snapfish, Shutterfly and Picasa Web Albums, though only one will work at a time. Flickr, Picasa Web Albums and Smugmug make use of geotagged photos by tagging shots with their location data, such as “Downtown Palo Alto, California.” I used Flickr and Picasa Web Albums to instantaneously generate a map showing where I was when I took photos.

On Flickr, each image was represented by a pink dot associated with one of several photos displayed in a horizontal bar below the map. This map can be searched for specific tags (photo labels) or locations and can be narrowed to show images from everyone who uses Flickr, just your own photostream, or only photos from friends or contacts. My searches returned results in seconds, finding shots that were geotagged with “Palo Alto” and tagged by me as containing flowers. I enjoyed looking at other Flickr users’ photos when I searched everyone’s images, specifically in cities where I recognized landmarks.

Picasa Web Albums showed each geotagged image on a map by placing tiny versions of each photo on the map. In certain cases, when I had multiple photos taken at the same spot, photos appeared with lines drawn from them to a spot, much like spokes of a wheel. I also looked at my Picasa photos on maps in Google Earth; a quick link to the program is conveniently found at the top of the Picasa Web Albums screen.

Another key feature of the Explore Card is its hotspot connectivity. The card is capable of working in any Wayport location, which includes McDonald’s (MCD) restaurants and certain airports and hotels. Though using Wayport locations normally requires sign-ins and/or payment via a computer screen, the Explore Card works as soon as the camera is turned on in these locations. This service is free for the first year, but after that, it costs $19 annually to continue.

Finally, the Explore Card notifies users via SMS or email messages when photos have either started or finished uploading; or if these uploads are interrupted, which happened to me a few times. This is useful in Wayport wireless zones, where the camera has no real way of signaling when an upload is finished or when a computer isn’t handy.

In a hotel with a flaky Wi-Fi network, the Explore Card was crippled, though I blame the hotel for this inconvenience. But even when I traveled to a local McDonald’s, where Eye-Fi’s maker has a deal for free Wi-Fi for its cards, the Eye-Fi stuttered and couldn’t consistently upload photos. When I plugged the card directly into my laptops, the results weren’t much better.

If you aren’t within Wi-Fi range while taking a photo, it won’t be geotagged. I ran into this issue in one instance: On California’s highway 101, I took a handful of photos, but when I checked my Eye-Fi account later, none of these photos was automatically geotagged.

Some people worry about privacy settings when it comes to uploading geotagged photos directly to a sharing Web site. Settings within the Eye-Fi Manager make it easy to adjust permissions to determine who can see your photos within each of about 25 sharing sites.

Users can opt to share photos only to a home computer through their own Wi-Fi network, and a special card is designed for just that: the $79 Eye-Fi Home. This is meant to serve as a shortcut for transfers.

The original Eye-Fi, which costs $99, was a useful tool as a wireless memory card, but I didn’t have as much luck with the more expensive Eye-Fi Explore. Still, when it did work, I found geotagging to be a great way of automatically labeling and organizing my photos. Instead of just being neatly stored in a folder on your computer, geotagged images are given a spark of life and relevancy when plotted out on a map.

Edited by Walter S. Mossberg

Email: mossbergsolution@wsj.com