Sir/Ma'am Good Day! I was already take an interviewed at U.S.Embassy MANILA but until now i didn't receive yet my VISA

I absolutely agree with attorney Feldman.

Adam Walsh Act, will it affect my boy friend and me throught the immigration process?

Yes, it will. You need to retain an attorney .

Can I invite my friend from Haiti to visit me in the US for his birthday just for 12 days?

Yes, but he would need to prove at the interview that he has sufficient ties with Haiti .

You will never receive EAD because you do not need it. You are authorized to accept an employment.

I'd like to know if after the 60 days grace period upon completing OPT, I will be out of legal status if I remain in the US.

Yes, after 60 days

I would not rely on the status screen. You will get the notification in the mail. But generally speaking they should have had an interview for...

Will B2 visa status affect the H1B visa which i will apply later

No.

My B-2 visa expired. I'm preparing to apply for a new one.

Most important, you need to show ties with Russia. Good luck!

No. Not if not in U.S.

LPR 2008, left US for a job 2011, no reentry permit. Was questioned 3 times by CPB about the reentry permit. My options?

Get the re entry permit for two years and you can assess your situation later.