Summary comments are bad for HN discussion. They're actually off-topic, because the topic is X, not "what is X about". It's also not a legitimate way to promote your startup, so please stop.
You're the boss, but my personal view is that this is a very legitimate way to promote his Apply HN:
it is a summary from the post (I've always appreciated TL;DR comments);
it is a demo of the product (it does not supplicate for upvotes through any sort of friendship appeal, only invites those from a legitimate audience who liked the demo to support his Apply HN);
From the FAQ: Can I ask people to upvote my submission?
No. Users should vote for a story because it's intellectually interesting, not because someone is promoting it.
Well, this is promotion, but also it is a promotion that ask you to judge if the idea is interesting and upvote if you agree.