Let's now discuss the various criteria based on which the reviewers decide whether an application should be published in the Marketplace or not. One important thing to keep in mind is that Marketplace reviewers do not review an application on the basis of how it looks, but rather on the basis of the working of an application. The review process is quite fair and transparent, since Firefox Marketplace has reviewers from Mozilla's huge volunteer base as well, in addition to full-time employees.
Some of the main points that are considered while reviewing the application are: usability (navigation and functionality), security (take care of CSP guidelines), content (non-offensive and IARC rated), functionality, and the privacy policy of the application.
If your application adheres to these simple guidelines, and you follow all the instructions present in the previous chapters carefully, then you should not face any problem in your application being accepted in Marketplace...