Vulcan salute emoji π is part of the People & Body and Fingers Open emojis. On some systems it can be accessed by using :vulcan_salute:, :vulcan:, :spock-hand: or :raised_hand_with_part_between_middle_and_ring_fingers: shortcodes.
It was approved as part of Unicode in 2015 so it should be displayed properly on all devices.
Tags: Finger, Hand, Spock and Vulcan