It won't be easy: BlackBerry's App World, Palm's App Catalog, Microsoft's Windows Mobile Catalog and Google's Android Market have only a fraction of Apple's offerings.
This may include offering an app store or app catalog for users to browse applications to install, and can also address whitelisting or blacklisting specific applications.
How about account information for the App Catalog (a sign of paid apps to come), a Select All option in the browser's edit menu, and some changes in GPS location services.
Following an apparent rejection of our suggestion of "Immaculate Collection, " Palm's Developer Network site suggests that the official name of its app store for webOS is simply going to be "App Catalog".
ENGADGET: Palm's app store christened App Catalog, games not a priority
Palm's not saying whether this new era for the App Catalog (anyone being able to release PDK apps, and those apps working on the Pre and the Pixi) will accompany a full-on webOS update, but it seems logical to us.
This is functionality that wasn't available even to Palm's early PDK partners like EA and Gameloft, so we should be seeing versions of existing games make the jump to the Pixi when the time for PDK beta-developed apps to hit the Palm App Catalog.
For example, a group of users in New York was using the app to catalog graffiti by different graffiti artists, such as Banksy, before they were painted over again.
According to Yago, people are using Wyst for everything from sharing personal moments at a location to using the app as a way to catalog the shifting urban landscapes.
Earlier this year, Catalog Choice launched MailStop, an iPhone app that lets people take photos of junk mail and send them to Catalog Choice to be put on an opt-out list.
FORBES: Catalog Choice And Its Junk Mail-Zapping App Acquired by TrustedID
The iTunes Store is the world's most popular online music, app, TV and movie store with a catalog of over 26 million songs, over 700, 000 apps, over 190, 000 TV episodes and over 45, 000 films.
ENGADGET: Apple announces redesigned iTunes for Mac, Windows and iOS devices
We have no idea who would choose an iPhone app over a real, honest-to-goodness textbook, but if you really want to spend marathon cram sessions hunched over a 3.5-inch display, a company called CourseSmart has just made its entire catalog available for viewing with its eTextbooks app.
In other words, a third-party app store works less like a storefront and more like a app store functions less like a storefront and more like a catalog (indeed, much of their revenue comes from Web ads and commissions for referred downloads).
FORBES: How Many Kinds of Enterprise App Stores are There Today?
The iBooks app also lacks any way to enter notes, and Apple's catalog at launch will only be about 60, 000 books versus more than 400, 000 for Kindle.
The app emphasizes the rich iPad display, inviting listeners to visually navigate Rhapsody's comprehensive catalog.
ENGADGET: Rhapsody launches new iPad app, completely tailored for Apple's tablets
Catalog Choice will continue to operate under its brand and will soon offer an Android MailStop app and other new services, according to Teller.
FORBES: Catalog Choice And Its Junk Mail-Zapping App Acquired by TrustedID
Seamless Shopping and Reading: Elevating the shopping experience to new digital heights, NOOK for Windows 8 customers can browse over 3 million books, magazines, and newspapers through NOOK's expansive digital content catalog, learn more about the book (including details and reviews) right from within the app, and tap to purchase and begin reading in seconds.
ENGADGET: Nook app comes to Windows 8 with clean Paper-like design
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