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Yes, it is.

As per release notes, and announcement post:

What is a decentralized Q&A platform on the STEEM blockchain, rewarding users for asking and answering questions.

So you can earn SBD and STEEM from answering questions.

@dashroom, yeah I got how it works. It's a full integration with Steemit, and what app is kinda another steemit interface

To the question in your title, my Magic 8-Ball says:

Most likely

Hi! I'm a bot, and this answer was posted automatically. Check this post out for more information.

Yes users on Steemit can answer questions on here.