There are some signs that a woman is playing with you and fooling you. Here are some of them:

She shows no interest in your life or interests.
It doesn't respond to your messages or calls.
She often cancels or postpones appointments.
She flirts with other men in your presence.
She is dishonest or contradictory in her statements

There are also some signs that a woman is interested in you. Here are some of them:

She seeks your closeness and touches you often.
She asks a lot of questions about your life and interests.
She often smiles at you and maintains eye contact.
She responds quickly to your messages or calls.