During the period this video was recorded, Tango was actively promoting several interactive features:

Tango Live is a social live-streaming app where creators broadcast content, interact with fans, and receive virtual gifts.

The characters 😻 and 👼 are distorted representations of common emojis often used in stream titles to attract viewers. Relevant Features of Tango Live (2022)

Real-time "versus" matches where two streamers compete for gifts from their audience.