You should appear as some times they add the case at the last minute, and if they do, you want to be there. If not, go to the court clerk and get a paper showing you were there. Remember, depending on the charge, there are different statute of limitations, so the case can still be filed.
Getting a pardon is almost impossible. However, you may seek an expungement to help with employment. You will need to see an attorney in your area as they will know the judge they want to get you before, and get all the work documented that will impress the judge. Good luck. Look up attorney Scotty Storey.
If they didn't call the police right then, you will probably never see a criminal charge. However, in the civil demand, don't sign anything without taking it to a lawyer. Pay a little now to save you other problems later.
Yes she can be charged. Being convicted is another problem. Your friend should immediately consult a local attorney and not answer questions of the police without the attorney present. I would suggest she copies of all the receipts for purchases she made for the person was trying to help, but have her lawyer help her with that.