First , we should understand what does the meaning of the ? emoji . The meaning of a ? emoji may vary depending on the relationship and context. It could be a sign of appreciation, admiration, or affection.
When you send a nice pic on snap , Usually we are satisfied with this photo, it is a form of self-appreciation, and we also hope to gain more recognition from others.
Therefor , when you feel comfortable with the person and would like to reciprocate, you can respond with a similar emoji or a simple thank you message. However, if you feel uncomfortable or unsure of the intentions, it's okay to ignore the emoji or respond politely without engaging in any flirtatious behavior. you could say nothing at all if your unsure as well. Remember to trust your instincts and boundaries.