The "(ﾟ▽ﾟ)/" emote is typically used to express happiness or excitement, often with a sense of celebration or victory. It can also convey a sense of dancing or jumping for joy. The "Hey, there #3" emote is not a commonly recognized one, so it's difficult to provide a summary without more context. However, the phrase "hey there" generally conveys a greeting or acknowledgement of someone's presence, while the number 3 could refer to a variety of things depending on the context.