"Project Astoria" – Build great Windows apps with your Android™ code

Dear Developers,

Last 2 weeks have been really busy for us in the development community as we wrapped up the most successful Build conference ever! A big thanks to all of you who joined us in person and virtually.

While there were many fantastic announcement ... There is one particular announcement which excites me the most and that is "Project Astoria"

What’s “Project Astoria”?

“Project Astoria” (also referred to as “Project A”), is a Universal Windows Platform Bridge toolkit that enables you to build Windows apps for phones by reusing your Android code. With “Project Astoria” you’ll be able to:

  • Build Windows apps for phones with few code changes
  • Use a Microsoft interoperability library to integrate Microsoft services into your app with very little effort
  • Test and debug your app from your preferred IDE
  • Publish your app and get paid through the Windows Store

Get Involved

“Project Astoria” is still a work in progress, but we want to get it into your talented hands as fast as we possibly can. If you’re interested in helping to shape this effort and trying out this new technology early, register for our preview program at: https://dev.windows.com/en-US/uwp-bridges/project-astoria

Comments (11)
  1. Christopher says:


    im trying to sign up but it seems that it laods for 5 minutes when i click Sign-up and then it stops without any error message,

    what am i doing wrong?

  2. timbob says:

    When is the review program supposed to start? I've signed a while ago and never got anything.

  3. Ahmed_Waheed says:

    Hi Christopher, please try again as others have been able to sign-up.

  4. Ahmed_Waheed says:

    Hi Tim, thanks for signing up. Please stay tuned for updates. Hopefully the program should open soon.

  5. Sadeesh Kamal says:

    Hi Mr. Ahmed can i use "Clash of Clans" app on windows10 phone by Astoria

  6. Amar Jadhav says:

    I want to ask few questions,

    1) What is difference between Application Compatibility Layer (ACL like supported by Nokia X or Tizen) & Application Portability Platform (like Project Astoria supported by Windows Phone)?

    2) Which is an easier process as long as Application Compatibility is concerned?

    3) Wasn't it more easy from Microsoft's point of view to include / incorporate Nokia X in Windows 10 rather than pushing for Project Astoria if, it really wanted the Android Apps to run on Windows Phone as, it has to request Android Application Developers to write Independent Apps for Windows 10

  7. Pete Tr. says:

    Hi Ahmed,

    Any news on the Project Asteria front? Is there an official Project Astoria Blog yet?

    I really like to port this open source game I am a big fan of from android to Windows Phone!

    Pete Tr


  8. Pedro says:

    Hi, I want to add… You must use your own app,  not use apps that you download/want for Windows Phobe, it will get you in troubles

  9. roy says:

    Windows 10 launch date please tell me please

  10. 8BitsByte says:

    Is the "Project Astoria SubSystem" for Windows 10 Mobile dead?  From what I understand, Windows 10 Mobile Build 10586 was signed off my MS as the final build for the Threshold 2 release.  According to a couple sites, that builod does not contain the Project Astoria Subsystem.  Does this mean that MS is abandoning the Project Astoria bridge/subsystem?  Or is MS just not including it again until a later build of Windows 10 Mobile and if so, can anyone answer when they will put it back?  I really think not having it will be a huge mistake as this is a huge advantage to close the "App Gap" Windows phones have.

  11. 8BitsByte says:

    Looks like Project Astoria may be dead? –> http://www.winbeta.org/…/windows-10-mobile-news-recap-release-date-lumia-950-demo-project-astoria.  This was one of my main reasons for switching from Android to MS, now I'm starting to change my mind…

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