Appear, not sure, will it effect a visa to the US? Probably not.

Green Card by marriage or P3 visa

do you already have the p-3 stamped in your passport?

I lost my Green Card and already filed for Naturalization. How would that affect my case?

Where I practice, you can make an infopass and they will place a stamp in your passport.

Question on Immigration

check avvo or ailalawyer.com

Question on Immigration

Not true unless other facts are there.

Am I eligible to file for automatic US citizenship since I was petitioned by a US citizen parent?

No, the whole thing had to take place prior to your eighteenth birthday. You will need to take the test to become a citizen when eligible.

During an immigration interview what should you say ? Do you mention everyone that was with you or just talk about yourself?

Generally, you answer the questions asked. Normally, the focus will be on you, not what other folks did or did not do.

Can my brother be my legal guardian if my father is alive and lives in the US?

Family law wise sure, the immigration part seems possible but I would consult with both types of lawyer to discuss.

Am I guaranteed to renew my EAD if the IJ granted me an asylum but the ICE appealed from the IJ's decision?What are my chances?

You can renew your ead while the appeal is pending.

Is there still a chance of being granted a J-1 visa to work as a nanny in a family if I'm 29 and don't have a driving license?

No, generally, to obtain a j-1 as a nanny you must go through a j program and be 26 or under the last time I checked.