This is a major service for couples, lovers, parents.Use this APP.
You may add other people to your buddy list, then you can always know their location, they can also know you. For example, your daughter, or wife, or lover. This is a good tool to go protect them, especially at night,or when traveling to the field.
In addition, you can also make video calls and voice calls, or typing chat.
Someone says that this is a good dating tool because it makes it easy for you to find your friends. I hope I can help you.