When will this app become final and not a test flight?

It's not a test; it's a social network that, like all existing ones, is improving every day.
If we add the large number of tools it has incorporated, the team has to work every day to improve it.

Improvements and new things are needed forever.

soon hopefully, but will be a bit yet cause we need to go through apple's app store review policy which is a notoriously slow process