No this does not impact the application in anyway.

It appears you have filed based on information provided.

You may withdraw and refile at this time.

Yes that is possible but their intention on tourist visa must be for tourism purposes only.

The office where the interview is scheduled.

No explanation is required other than indicating overstay.

Best to consult with your retained counsel for guidance.

A review of your history and trips outside of the US is necessary.

Possible but review of his case and history is necessary.

Only if this is based on where you reside.