A post with real follower numbers but no engagement still looks stalled to anyone scrolling past it. Fast Growth adds likes instantly, so a new post looks credible from the first minute it's live.
Yes — any public post can be targeted, not just new ones.
Yes — delivery is designed to look like organic engagement, not obviously bot-generated activity.
Each service is ordered separately from your dashboard, so you can run a followers order and a likes order together for the same launch.