WhatsApp is useful to send individual messages from any place in the world. You can also send video calls and voice messages using it. You can also easily send free calls to another WhatsApp user using his or her WhatsApp number.
WhatsApp for desktop is designed for desktop users to communicate to their friends and family member easily. You can get notification of messages from desktop. It stores all your addresses, contacts and email in apps memory.
Note: You need to install WhatsApp on your Android phone before using it.