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Windows Phone, tablet (RT/Win 8.1), and traditional computers (RT/Win 8.1) will all share some common ground

Today, Microsoft Corp. (MSFT) added some final details about its new "Universal Apps" program which will adds unified developer options across Windows Phone 8.1, Windows RT 8.1, and Windows 8.1 (smartphones, tablets, laptops, and desktops).
First off, Microsoft added a few new general options that app developers will surely appreciate.  For the previously announced unified developer registration (across the various Windows device platforms) it announced it will now accept a credit card alternative -- specifically eBay, Inc.'s (EBAY) PayPal.  It also now allows developers to reserve names of their upcoming apps up to 12 months in advance.
Second, it offered consolidated app options that make it easier for developers to deploy to multiple platforms and for consumers to partake in those various offerings.  Also included are a set of universal pricing tiers, which will allow customers to pay once and download a participating developer's app on all Windows platform.  Developers also have the option (and are encouraged) to make in-app content universal (so purchase on one platform and you'll get it on you installations on all your devices).
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Tired of getting stuck with low-res. downloads for apps you've already purchaed?  Microsoft's new Universal Apps let developers offer a single purchase that gives customers access to the highest definition app package on any compatible platform.

Looking ahead, this could provide Microsoft with a key competitive advantage over Google Inc. (GOOG) and Apple, Inc. (AAPL), which typically force you to rebuy apps on each new kind of device if you want the latest and greatest experience (iOS developers allows you to download previously purchased iPhone apps on iPad, but iPad-specific versions of apps require repurchasing).  
Even though Windows Phone's market share is virtually nonexistent, if customers can buy a Windows Phone and get access to most/all their favorite Windows 8.x apps for free, it seems many will be much more likely to take the plunge.
Developers have the ability to set one set of permissions and the app certification policies have been made homogenous across the various tiers.  To support a specific kind of device developers need only upload a "package" which will be available to download on compatible devices via the Windows/Windows Phone Stores.
The store will automatically select the appropriate package.
Windows Phone developers may wish to use the older Silverlight technology ("xap" packages, or *.xap files), which Microsoft is still clinging to, but with the latest and greatest Windows Phone 8.1, they now have the option to move to "AppX" (*.appx) style packages.  With AppX packages, developers can write a single app that is auto-customized for various platforms by Microsoft's APIs.  Obviously some developers will want to put in the extra work to specify explicitly optimal user interfaces for their app for each applicable screen size and input kind.  But for small businesses and casual app developers this is a potential game-changer.

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Microsoft is now offering helpful reminders at submission time to prevent developers from forgetting to submit a privacy policy, a common (and frustrating) cause of rejection for first-time Windows/Windows Phone developers in the past.

Finally, Microsoft has redesigned its Dev Center for Windows and Windows Phone to offer better guides to creating apps for developers of a variety of skill levels.  And it has promised to cut down on submission times.

We'll have to see how well all of these things work out in practice, but as with the recent Windows 8.1 Update 1 (which added improved mouse and keyboard support), Microsoft definitely appears headed in the right direction.  In the long term it plans to integrate Xbox apps into its Universal Apps platform.  With the large Windows and Xbox market shares, it may be able to drive growth synergistically in the tablet and smartphone space.

Source: Windows Blog

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Universal pricing
By Alexvrb on 4/15/2014 9:57:41 PM , Rating: 3
I really hope all the major developers hop on the universal pricing bandwagon! I'd love to be able to download the same app on a phone, tablet, and PC, and see the best-optimized version for each one. Plus the option to allow in-app purchases to be global too? Might actually purchase something in an app, in that case.

So yeah, it's great that MS is enabling all this, but it's up to the developers now. Hopefully this will see widespread adoption.

RE: Universal pricing
By inighthawki on 4/15/2014 11:23:40 PM , Rating: 2
The primary thing that has kept me out of the whole mobile development sector is the massive limitations imposed on a lot of devices. Half the time I feel like a criminal. Needing developer licenses just to write and test apps on your own device, inability to sideload other people's applications (everything must go through the store), and requiring everything to be digitally signed. The WinRT API feels too sandboxed and has too much restricted access to Win32 functions - I want to be able to open a file handle to a random file without the use of the file picker!

I realize that a lot of this is for security reasons, but I don't really see why people cannot opt out of the ultra secure model to do things like sideloading unsigned applications.

I hope they relax some of the restrictions in Threshold. I do the vast majority of my programming at home for fun, but this kinda makes it feel like a job.

Not sure if anyone else feels the same way...

RE: Universal pricing
By cknobman on 4/16/2014 9:55:27 AM , Rating: 3
I attended build and was there for the keynote and sessions where they covered this.

It is an awesome feature and encouraged me to start developing for the Windows 8 platform (I am a business developer and had previously only done web, server, and pre Windows 8 app development).

In fact I am building my first universal app as we speak leveraging Windows Azure. :)

"Paying an extra $500 for a computer in this environment -- same piece of hardware -- paying $500 more to get a logo on it? I think that's a more challenging proposition for the average person than it used to be." -- Steve Ballmer

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