Have fun sending hearts to your favorite person. There is only one heart between you and your partner. If your partner doesn't send a heart back to you, you won't be able to see it anymore. Receiving a heart from your partner will leave you feeling special and loved. Whether it's your boyfriend or best friend, send your love to the ones you love! Your heart will change size and color depending on how many hearts you send each other. How to play 1. Download "Heart is in" app. 2. Send invit