Casinos are regulated by a gaming commission, and in most cases the gaming commission is forcing them to take plastic cards that are not expired with a likeness of the individual. That means you cannot show them a picture of anything or a paper copy of anything.
Yes. Although registration and some financial transactions for sports betting apps must be completed in person, the actual wagering is legal anywhere inside Nevada state lines. There are no sportsbook websites in Nevada all of the options require a phone or tablet to access.