Revision 525023 of Marketplace review criteria

  • Revision slug: Mozilla/Marketplace/Submission/Marketplace_review_criteria
  • Revision title: Marketplace review criteria
  • Revision id: 525023
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  • Creator: maedca
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Este article describes the set of requirements an app must meet to be distributed through the Firefox Marketplace. These requirements are designed to balance the needs of both developers and users of apps from the Firefox Marketplace. Developers want fair, consistent, non-draconian requirements that they can trust to build a business on. On the other hand, users want assurance that apps are safe, will work on their device, and that the app will do what it says it'll do. The app requirements below aim for the delicate balance between these needs.

Here are Mozilla's expectations of what app review is and is not:

  • Criteria will be applied in a fair, compassionate, and consistent manner. The app review process is not intended to be a gatekeeper, but rather a trusted touch point that provides feedback to help developers be more successful.
  • Reviewers are not a QA team! During the review process, someone will look over the app manifest and spend a few minutes exercising the application as a normal user would.
  • If an app fails review, the developer will be given a clear explanation of the problems found, steps to reproduce, and where possible, the reviewer should point the developer in the right direction by providing links to relevant supporting documentation or make recommendations on what changes need to be made.
  • Reviewers make no judgment on how an app looks, only on how the app works. For example, an app with a paragraph of red text on an orange background wouldn’t be rejected because it’s ugly, but might be rejected if it’s not readable.
  • We always give developers the benefit of the doubt. If unsure whether an app should be rejected, reviewers will ask questions before issuing a rejection. Apps will not be (knowingly) rejected due to platform issues that are outside of the developer's control; however we may withhold approval if we can't get the app to work.

Security

Full details of the app security architecture are available here: https://wiki.mozilla.org/Apps/Security

  • The app manifest must be served from the same origin as the app.
  • The app manifest must be served a Content-Type header of application/x-web-app-manifest+json.
  • Apps should not use redirects or iframes to load content that the developer isn't authorized to use.
  • Requested privileges must be specified in the app manifest with description of why the privilege is needed.

Privacy

  • The developer must link to a privacy policy during submission, but there are no requirements for the format and content of this privacy policy. Feel free to use our privacy policy template. Also take a look at our privacy policy guidelines.

Content

  • Any apps that violate our Content Guidelines below are not allowed. If you think you have an edge case, please ask the review team for clarification, even if the app isn’t yet ready to be submitted. We want to help you stay on the right track, rather than invest development time into content that will be rejected.
  • Starting in January 2014, all apps must receive a rating from the International Age Rating Coalition (IARC).  To obtain this rating, we'll direct you to a brief questionnaire during the submission process, and you'll receive the rating immediately.  More information about the rating process is available here.
  • Screenshots and descriptions submitted to the Firefox Marketplace must accurately represent the app.
  • In the app manifest, the locale keys should match the localizations that your app supports. By providing a locale key in Polish, users will expect your app to be available in that language.

Content guidelines

This list describes types of content that are inappropriate for the Firefox Marketplace. This list is illustrative, not definitive, and may be updated. If an application is found to be in violation of these content guidelines, Mozilla has the right to immediately remove the application from the Firefox Marketplace.

  • No obscene pornographic materials, or graphic depictions of sexuality or violence.
  • No content that infringes anyone’s rights, including intellectual property or other proprietary rights or rights of privacy or publicity.
  • No content that is designed to harm Mozilla or users (such as malicious code, viruses, spyware or malware).
  • No content that is illegal or promotes illegal activities.
  • No content that is deceptive, misleading, fraudulent or is designed to phish or perform other identity theft.
  • No content that promotes gambling.
  • No content that engages in the advertisement of illegal or controlled products or services.
  • No content that exploits children.
  • No content that degrades, intimidates, incites violence against, or encourages prejudicial action against someone or a group based on age, gender, race, ethnicity, national origin, religion, sexual orientation, disability, religion, geographic location or other protected category or constitutes hate speech.
  • No content that misleads a user into making a purchasing decision.

Functionality

  • The reviewer must be able to perform the app's primary advertised features. Cosmetic flaws and minor inconveniences will be reported to the developer, but will not prevent an app from being approved.
  • The app must not compromise system performance or stability.

Usability

  • The developer must make a reasonable attempt to optimize app layout for the target platform. The intent of this requirement is to catch obvious failures, such as:
    • An app submitted for mobile that's obviously a desktop site.
    • An app that very obviously doesn't stretch to fill available screen space (imagine a 320x480 app that only takes up the top corner on a tablet, with the rest of the screen blank. This is surely not intended!)
  • The app must implement its own method of navigation and not rely on browser chrome or a hardware back button, which will not be present on every device.
    • For example, if the reviewer navigates somewhere within the app and isn't able to navigate back. It does not mean an app must implement a button bar common to native apps.
    • Note: a Gaia “wrapper” for legacy web content is in progress: https://github.com/mozilla-b2g/gaia/issues/2557
  • Navigation elements, such as buttons and links, must be easy to click or tap.

Blocklisting policy

We hope we never have to use it, but we do reserve the right to remove ("blocklist") any published app that is later found to violate any security, privacy, or content requirements, or apps that seriously degrade system or network performance. Developers will be informed of the situation before an app is blocklisted, will be assumed to be a good citizen unless we have specific evidence otherwise, and will receive full assistance from the app review team to communicate what's going on and get the problem resolved. Specific examples of situations where blocklisting is warranted include:

  • Phishing
  • Spamming
  • Changing content from Puppy Pictures v1.0 to Brutal Violence v1.0 (without updating the content rating, when this feature is implemented)
  • Severe misbehavior of app for a large percentage of users — degrading phone performance, causing reboots, causing user data loss, etc. where users can't tell that it's because of the app and where it isn't solved by rebooting the device.
  • An app being used for attacks on the network, such as a distributed denial of service (DDOS)
  • (insert movie plot risk here)

Revision Source

<div class="summary">
 <p>Este article describes the set of requirements an app must meet to be distributed through the Firefox Marketplace. These requirements are designed to balance the needs of both developers and users of apps from the Firefox Marketplace. Developers want fair, consistent, non-draconian requirements that they can trust to build a business on. On the other hand, users want assurance that apps are safe, will work on their device, and that the app will do what it says it'll do. The app requirements below aim for the delicate balance between these needs.</p>
</div>
<p>Here are Mozilla's expectations of what app review is and is not:</p>
<ul>
 <li>Criteria will be applied in a fair, compassionate, and consistent manner. The app review process is not intended to be a gatekeeper, but rather a trusted touch point that provides feedback to help developers be more successful.</li>
 <li>Reviewers are not a QA team! During the review process, someone will look over the app manifest and spend a few minutes exercising the application as a normal user would.</li>
 <li>If an app fails review, the developer will be given a clear explanation of the problems found, steps to reproduce, and where possible, the reviewer should point the developer in the right direction by providing links to relevant supporting documentation or make recommendations on what changes need to be made.</li>
 <li>Reviewers make no judgment on how an app <em>looks</em>, only on how the app <em>works</em>. For example, an app with a paragraph of red text on an orange background wouldn’t be rejected because it’s ugly, but might be rejected if it’s not readable.</li>
 <li>We always give developers the benefit of the doubt. If unsure whether an app should be rejected, reviewers will ask questions <em>before</em> issuing a rejection. Apps will not be (knowingly) rejected due to platform issues that are outside of the developer's control; however we may withhold approval if we can't get the app to work.</li>
</ul>
<h2 id="Security">Security</h2>
<p>Full details of the app security architecture are available here: <a href="https://wiki.mozilla.org/Apps/Security">https://wiki.mozilla.org/Apps/Security</a></p>
<ul>
 <li>The app manifest must be served from the same origin as the app.</li>
 <li>The app manifest must be served a <code>Content-Type</code> header of <code>application/x-web-app-manifest+json</code>.</li>
 <li>Apps should not use redirects or iframes to load content that the developer isn't authorized to use.</li>
 <li>Requested privileges must be specified in the app manifest with description of why the privilege is needed.</li>
</ul>
<h2 id="Privacy">Privacy</h2>
<ul>
 <li>The developer must link to a privacy policy during submission, but there are no requirements for the format and content of this privacy policy. Feel free to use our <a href="https://github.com/flamsmark/privacy-policy-template">privacy policy template</a>. Also take a look at our <a href="/en-US/docs/Privacy_policies">privacy policy guidelines</a>.</li>
</ul>
<h2 id="Content">Content</h2>
<ul>
 <li>Any apps that violate our Content Guidelines below are not allowed. If you think you have an edge case, please ask the review team for clarification, even if the app isn’t yet ready to be submitted. We want to help you stay on the right track, rather than invest development time into content that will be rejected.</li>
 <li>Starting in January 2014, all apps must receive a rating from the International Age Rating Coalition (IARC).&nbsp; To obtain this rating, we'll direct you to a brief questionnaire during the submission process, and you'll receive the rating immediately.&nbsp; More information about the rating process is available <a href="https://developer.mozilla.org/en-US/Marketplace/Submission/Rating_Your_Content">here</a>.</li>
 <li>Screenshots and descriptions submitted to the Firefox Marketplace must accurately represent the app.</li>
 <li>In the app manifest, the <a href="/en-US/docs/Web/Apps/Manifest#locales"><code>locale</code> keys</a> should match the localizations that your app supports. By providing a <code>locale</code> key in Polish, users will expect your app to be available in that language.</li>
</ul>
<h3 id="Content_guidelines"><strong>Content guidelines</strong></h3>
<p>This list describes types of content that are inappropriate for the Firefox Marketplace. This list is illustrative, not definitive, and may be updated. If an application is found to be in violation of these content guidelines, Mozilla has the right to immediately remove the application from the Firefox Marketplace.</p>
<ul>
 <li>No obscene pornographic materials, or graphic depictions of sexuality or violence.</li>
 <li>No content that infringes anyone’s rights, including intellectual property or other proprietary rights or rights of privacy or publicity.</li>
 <li>No content that is designed to harm Mozilla or users (such as malicious code, viruses, spyware or malware).</li>
 <li>No content that is illegal or promotes illegal activities.</li>
 <li>No content that is deceptive, misleading, fraudulent or is designed to phish or perform other identity theft.</li>
 <li>No content that promotes gambling.</li>
 <li>No content that engages in the advertisement of illegal or controlled products or services.</li>
 <li>No content that exploits children.</li>
 <li>No content that degrades, intimidates, incites violence against, or encourages prejudicial action against someone or a group based on age, gender, race, ethnicity, national origin, religion, sexual orientation, disability, religion, geographic location or other protected category or constitutes hate speech.</li>
 <li>No content that misleads a user into making a purchasing decision.</li>
</ul>
<h2 id="Functionality">Functionality</h2>
<ul>
 <li>The reviewer must be able to perform the app's primary advertised features. Cosmetic flaws and minor inconveniences will be reported to the developer, but will not prevent an app from being approved.</li>
 <li>The app must not compromise system performance or stability.</li>
</ul>
<h2 id="Usability">Usability</h2>
<ul>
 <li>The developer must make a reasonable attempt to optimize app layout for the target platform. The intent of this requirement is to catch obvious failures, such as:
  <ul>
   <li>An app submitted for mobile that's obviously a desktop site.</li>
   <li>An app that very obviously doesn't stretch to fill available screen space (imagine a 320x480 app that only takes up the top corner on a tablet, with the rest of the screen blank. This is surely not intended!)</li>
  </ul>
 </li>
 <li>The app must implement its own method of navigation and not rely on browser chrome or a hardware back button, which will not be present on every device.
  <ul>
   <li>For example, if the reviewer navigates somewhere within the app and isn't able to navigate back. It does not mean an app must implement a button bar common to native apps.</li>
   <li>Note: a Gaia “wrapper” for legacy web content is in progress: <a href="https://github.com/mozilla-b2g/gaia/issues/2557">https://github.com/mozilla-b2g/gaia/issues/2557</a></li>
  </ul>
 </li>
 <li>Navigation elements, such as buttons and links, must be easy to click or tap.</li>
</ul>
<h2 id="Blocklisting_policy">Blocklisting policy</h2>
<p>We hope we never have to use it, but we do reserve the right to remove ("blocklist") any published app that is later found to violate any security, privacy, or content requirements, or apps that seriously degrade system or network performance. Developers will be informed of the situation before an app is blocklisted, will be assumed to be a good citizen unless we have specific evidence otherwise, and will receive full assistance from the app review team to communicate what's going on and get the problem resolved. Specific examples of situations where blocklisting is warranted include:</p>
<ul>
 <li>Phishing</li>
 <li>Spamming</li>
 <li>Changing content from Puppy Pictures v1.0 to Brutal Violence v1.0 (without updating the content rating, when this feature is implemented)</li>
 <li>Severe misbehavior of app for a large percentage of users — degrading phone performance, causing reboots, causing user data loss, etc. where users can't tell that it's because of the app and where it isn't solved by rebooting the device.</li>
 <li>An app being used for attacks on the network, such as a distributed denial of service (DDOS)</li>
 <li>(insert movie plot risk here)</li>
</ul>
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