Magician asks spectator to select a card, and put it back in the deck which is then shuffled. The deck is covered by a handkerchief. Magician takes a picture with a smart phone. Magically, the selected card will appear in the photo, even though the cards can’t be seen within the handkerchief.
Bonus effect: Spectator chooses one of 4 coins which are then placed on different corners of a handkerchief. Magician then takes a picture with a smart phone. Magically, the a hand will appear in the photo pointing to the selected coin, even though the hand can’t be seen on the handkerchief.