An app must have at least three installs to be listed in the App Marketplace
Hi, @EEnzipe👋 Thanks for reaching out. Can you add your question or issue to this thread, please? It's not clear what your issue is, and not everyone in the community will have access to the developer slack to get additional context (if that is what your link was for).
If you are asking about the message in your screenshot, you can find the submission requirements here — App Marketplace listing requirements. Here are the specifics on how Activity and Active Installs are calculated for submissions: