: A common advanced routine involves having a spectator sign a physical card, which is then vanished and "pushed" into the phone. The magician then pulls the signed card back out of the screen.
: Another "deep" effect involves a selected card appearing folded up underneath the phone's glass, which can then be "extracted" or tipped out into the spectator's hand. Card2Phone
In the context of magic apps, a "deep piece" often refers to a routine that goes beyond a simple "pick a card" trick, integrating psychological layers or multiple phases of magic. : A common advanced routine involves having a