Publishing NicoApps
After testing the app, you can record a video or take screenshots showing how to get an API key from you, how to use the app, etc. Click "Publish" when you are ready to submit for review:
Provide as many details as possible for the review:
See at this link how it will appear in the NicoApps Store: TheChecker.
Update Your NicoApp
You can still edit your apps after they are published. Just edit and save. Download the draft version to test before resubmitting it for review.