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 Thursday, November 04, 2010

Ahh, the App Hub.  It's where you submit your apps for the Windows Phone Marketplace.  Given that I've got more than a few apps in the marketplace, I now have a lot of experience dealing with it.  I want to share some tips and info with you, so hopefully your experience will be as smooth as possible.  Don't get me wrong… I love Windows Phone 7 and I greatly appreciate everything that works well with the marketplace process.  But it's a brand new site and process, so there are a bunch of gotchas to be aware of.  It's clear to me that the App Hub will continue to improve, and it already has since I started using it, so I'll try to update this post as things change.

The theme of this post is get it right the first time!

The Good:

  • The process can be very quick.  Some apps of mine have been live in the marketplace the day after I submit them.  It has usually taken 2-3 days, and sometimes a week.
  • The PNG upload process is slick, as you get an instant preview on the page after choosing each file.  (Although sometimes the file-choosing dialog doesn't remember my current folder, which gets old really quickly.)
  • All screenshots (up to eight) are visible at the same time in your app listing in the marketplace, so you don't have to stress as much about which screenshots should be your first few.
  • The app testers seem to be really good.  In my first submission of Crayon Cannon, they caught a light-theme-only bug, in which my Instructions page rendered white-on-white text.  In my first submission of Lottery Numbers Picker, they caught a bug in which tapping the "pick" button twice within a short span caused the app to crash.  Good stuff!
  • When your submission fails, the detailed test results can be pretty nice.  Although the whole download-a-PDF thing is overkill for me.  Just tell me in the email notifying me of the failure, please!
  • There seems to be no limit to the number/length of keywords you can associate with your app.  (BUT see the first bullet in "The Bad" for the rest of this story.)

The Bad:

  • Your keywords do not yet seem to be used in Marketplace searches (or anything else).  Add to this fact that you can't do app-only searches on the phone (your results get polluted with music) and the lack of auto-completion in the search box, and you get a situation in which your apps can be hard to find.  I'm still waiting for a "magic" search to bring up my Pick a Card magic trick app.  Instead, I get a LOOONG list of artists, albums, songs, playlists, and some magic 8 ball apps.  (I don't have such an app… yet! :))  I hate to suggest this, but you might want to make your app names more descriptive to combat this.  For example, I'm thinking about renaming "Pick a Card" to "Pick a Card Magic Trick."  I suppose that could/should help its ranking in a "magic" search, even if keywords were respected.
  • You can't cancel/edit a submission that is currently being tested/reviewed.  You have to wait until your app passes or fails first.  Therefore, get it right the first time.
  • When you update your app, there's no separate spot to describe what has changed.  You can only pollute your main description with this information.
  • When you update an app that has failed, you have to go out of your way to resubmit it.  For some reason, the wizard only lets you "Save & Quit" after setting the price when resubmitting a failed app.  You must do this, then go back to your entry (now marked "Submission in progress"), press Next on every page of the wizard, then this time you can get to the final page that lets you resubmit.  Be careful to notice when this happens, as I unknowingly had some apps sitting around for a few days waiting for me to take the next step.
  • Your list of apps is a bit hard to manage.  Once you choose an internal "application name," you can't change it.  Although you can update your public-facing "application title" at any time, it's annoying to be stuck with the old names in your list.  You also can't delete an entry without it being sent to Microsoft and have it either pass or fail.  I created a "test" entry under my account and I can't get rid of it, unless I waste a tester's time by submitting a bogus XAP that I know is going to fail!

The Ugly:

  • If you want to make any change to your marketplace listing (other than the price), you must do a whole new submission.  This means getting your app re-tested, with the time delay associated with that.  (Your exact same app could even fail testing the second time, due to tester differences or policy changes.  This has happened to me more than once.)  You must even bump up your version number (in the marketplace, anyway… your app binary can be the same) because App Hub doesn't allow uploading a new binary without a corresponding version number update.  (That would be sensible if you weren't forced to resubmit a binary all the time.)  All this for just fixing a typo in your description, changing the category, updating the icon/screenshots, etc.!  Remember, get it right the first time.  And although you can update the price without doing a resubmission, you have no way of adding any text to the description like "SALE… THIS WEEK ONLY!" without doing a resubmission. Also, according to Gergely in the comments, once you change a paid app to free, you can't change it back. I haven't verified this.
  • When you update a submission that has been published to the marketplace, you have to fill everything out again, and you can no longer see the content from your previous submission.  Therefore, be sure to open the details in a separate tab/window before starting your update!  If you didn't previously open your submission details, you probably won't remember your list of keywords and will have to brainstorm new ones.  You can retrieve the other information from Zune, although you curiously cannot copy/paste text from it.  Along these lines:
    • Remember to reapply your chosen category so your app doesn't end up in the default Games category!
    • If you have an internal "application name" that is different from your marketplace-visible "application title" (not recommended), remember to reapply your desired title each time, because it defaults back to the application name every time!
    • Remember to reapply your price, so you don't accidentally start giving your app away for free! (Yikes!)
  • Avoid marketplace icons with transparent backgrounds.  Although using a transparent background is desirable for your app's real icon (I'll elaborate in a different post), bad things happen when you upload images with transparency to the marketplace.  Especially because a typical app icon is all-white.  The Marketplace app on the phone gives your icon a black background, which looks especially goofy under the dark theme, and Zune does nothing, which means you typically get a white-on-white icon.  So what should you do?  You could come up with some colorful icon that doesn't match the built-in apps.  In my case, for the apps where I wanted to keep the simple-white-icon look, I hard-coded the default blue accent color as the background, just like the icons on this blog.  I find this regrettable, however, as the icons you see in the marketplace don't necessarily match the icon you'll see once you install the app.  (I could have gone with the grey background applied to app list icons, but I'm holding out hope that a future version will allow accent-colored backgrounds for app list icons.)
  • The images downloaded to the phone's Marketplace app have compression artifacts. The icons usually have noticeable artifacts, especially for the simple-geometric style of icons used by most Windows Phone apps.  (Photographic icons, such as the one for Subservient Cat, look fine.)  Screenshots have this problem, too.  Everything looks great in Zune on the desktop, however, as it looks like it's using your original PNG files.  There's really nothing you can do about this.

More Notes About Updating Your App:

  • When updating your app, the site's pages still say "submit new app."  Don't worry about this.
  • After submitting an update, the details shown in the App Hub are still the old details until your submission has passed.  Don't worry about this either.
  • When you update your icon or other artwork, it takes awhile to see the change in the marketplace.  It takes especially long on the phone's Marketplace app… sometimes over a week after the updated submission is live!  Don't worry, the updated artwork will eventually appear!
  • By the way, updating your app does not appear to reset its ranking, nor does it clear/hide past reviews, nor does it cause it to show up as a "new" app.  This all makes sense.  It's unfortunate that old reviews are not tagged with the relevant version number, though, so it's probably a good idea to call out fixes in your description that address complaints from past reviews.

Miscellaneous Tips:

  • If you choose to upload the 1000x800 background art for the Zune client, give it its full contrast.  Don't worry about the visibility of text on top of it, because the Zune client places it under a translucent background.  You might as well upload an image, as it makes it eligible for being featured specially in the phone's Marketplace app.
  • Apps marked "testing in progress" seem to sometimes jump to the top of your app list when something happens, even though there is no visible change in status.
  • When first uploading a XAP, the size is shown in bytes, but when you revisit the page, it is shown in KB.  In the past, this has made me nervous and I've re-uploaded the XAP, but there seems to be no cause for alarm here. :)
  • When looking for your app to appear in the marketplace, don't rely on seeing it at the top of the "new" list.  In fact, as new apps get added throughout the day, they seem to be added after apps that were added earlier in the morning!  (@Arktronic believes that the ordering is based on the submission date rather than the publishing date.) I'm also suspicious that the first four "new" apps on any given day are hand-picked, since they get featured more prominently elsewhere.  My Lottery Numbers Picker app was once featured as a "new" app along with another lottery-themed app, so that seemed like the result of human involvement.  On the other hand, yesterday my geeky XAML Editor app was featured as a "new" app, which would have been an odd choice for a human to make.

A Guide to Your App's Status:

For my own apps, I've seen the following:

  • Submission in progress. When you see this, the ball is in your court to complete the submission!  As I mentioned earlier, there's a condition where you think you might be done but you see this instead.  If you see this, select the "edit application" action and finish it.
  • Ready for testing.  Your app is now in the queue.  I normally only see this for less than a minute, and then the status switches to the next one.
  • Testing in progress. This is where you do the most waiting.  As I mentioned earlier, you cannot do anything to your submission during this step.
  • Testing failed.  Oops.  There will be a PDF you can download that explains the problem, sometimes with very helpful steps to reproduce the problem.
  • Ready for signing.  Your app has passed; it just needs to be signed before it's ready.  Sometimes this has taken more than a day.  I'm not sure why this would take so long.
  • Ready to publish.  You see this when your app is ready but you opted-out of automatic marketplace publishing.  This status provides a "publish to marketplace" option, so you can time your release for a specific date.
  • Published to Marketplace.  It's live!  It might take a little while before you see it show up in Zune, and a bit longer (half a day?) before you see it on the phone's Marketplace app.
  • Application removed by Microsoft.  Your app got flagged for a policy violation.  Your only possible action for this state is "contact support."
  • None. This was a temporary glitch.
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Thursday, November 04, 2010 12:23:48 PM (Pacific Standard Time, UTC-08:00)  #    Comments [9] - Trackback    
Thursday, November 04, 2010 1:43:09 PM (Pacific Standard Time, UTC-08:00)
Thanks for sharing Adam. I've experienced most of these with two applications and about 6 submissions as well. I think you can never stress enough how important it is to "get it right" the first time of reasons you describe in "the bad" and "the ugly" sections. I really hope these will be addressed soon, but frankly I don't think Microsoft will really care.

One more thought that's been missed here but I think is pretty important: the price and market of an app can be changed at any time, however take extra caution when changing the price of a free app. Once changed to paid there is *no* way of changing it back except for creating an entirely new submission! Changing the price of a paid app works fine though.
Thursday, November 04, 2010 1:54:25 PM (Pacific Standard Time, UTC-08:00)
Really interesting article. Good experience... !
What about reports on apphub ?
Dimitry
Thursday, November 04, 2010 2:32:47 PM (Pacific Standard Time, UTC-08:00)
Gergely, I can assure you that Microsoft cares. There have already been several improvements. For the rest, I think it's just a question of when, not if. That's very interesting about paid->free. I'll add it to my list.

Dimitry, do you mean reports on # of downloads/purchases? If so, we're all waiting patiently for those, wondering if we're millionaires yet. :)
Friday, November 05, 2010 2:34:25 PM (Pacific Standard Time, UTC-08:00)
When I meant I don't think they care, I mean they don't seem to care at this point. To be honest I'd rather they have consumers satisfied and have the platform off to a rocket start than the other way round: fix all issues us, developers are complaining about but not address consumers enough.

There are plenty of complaints related to these issues in the forums and barely any MS responses (I think I saw 2 the last two months) which makes me think that these issues are not the top priorities right now. Personally I'd hope changes to come after January when the download stats will supposedly be available. And to be fair I think if you're aware of these handful of annoying issues the submission process isn't that bad (and at times it's really quick as well).
"
Anyways this page is quite helpful. And I'll be polite enough not to ask which application of yours got the status "Application removed by Microsoft" :)
Friday, November 05, 2010 6:58:39 PM (Pacific Standard Time, UTC-08:00)
Thanks for the great article. You *almost* convinced a hardcore iPhone developer to signup for AppHub.

Developers that do not live or pay taxes in one of the 30 countries listed in the AppHub signup page cannot register. Oh boy!
Looks like Microsoft has screwed it up again. Wish I had not wasted all these years learning and unlearning C#.

We love you Apple.
Pratik Kumar
Friday, November 05, 2010 11:33:40 PM (Pacific Standard Time, UTC-08:00)
You are right on the spot Pratik. I am the one forbidden from their market. I just point out I live in EU and we are using euro, maybe I should move to more "civilised" country (one of those 30). I can only develop for Apple or Nokia, for rest of "competition" my country does not exist.

Miro Lukac
Miro Lukac
Saturday, November 06, 2010 9:45:08 AM (Pacific Standard Time, UTC-08:00)
thank you very useful
Sunday, November 07, 2010 10:59:38 AM (Pacific Standard Time, UTC-08:00)
Looks like the WP7 market will be packed to the gills with submissions from the "quantity not quality" crowd. 30 apps? Lotto pickers? Man, this sort of practice should be banned - the world needs GOOD apps, not MORE apps.
Tobias Beecher
Sunday, November 07, 2010 3:02:40 PM (Pacific Standard Time, UTC-08:00)
Hi Tobias,

The way I see it, such apps are inevitable, and I'm aiming to show developers how to create a broad range of apps with high quality. I'm not sure if you saw, but these apps come from a book I'm writing that teaches how to build them. The simpler, silly apps tend to be good at teaching lots of the concepts. When I wrote the chapter on the Mood Ring app (a lesson on color/object/point animations, property paths, gradient brushes, and drop shadows), I wanted to apologize about how ridiculous the app is. As it turns out, it's one of the more popular ones. Go figure.
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