If it’s a new project, you can use Release Announcements.
If it’s an old project that just got a new sale, you can possibly use Devlogs.
Make sure to read the rules before posting on any board, as quite a few don’t allow self-promotion.
Viewing post in Doubt on how to post my project announcement
The project I posted a while ago only that the page was not very flashy had a lot of visualization but I still added a little bit to the page I put a good description and now I'm wanting to disclose my friend suggested making a post here in the community in this case which one you tell me to use to make the post!?