What is girl looks at me and smiles?

As an AI language model, I do not have any specific information about an unknown girl smiling at you. However, generally speaking, when a girl looks at someone and smiles, it could be a sign of friendliness, interest, or positive feelings towards that person. It may indicate that she finds you attractive or has noticed something about you that she finds appealing. It is important to remember that smiles can be interpreted in different ways, and it is always best to approach such situations with kindness and respect.