As far as we know WhatsApp Messenger supposed to run on the Samsung Galaxy Tab 10.1. We compared the apps hardware and software requirements and it looks like this app is compatible with the OS runs on the Samsung Galaxy Tab 10.1 and this device meets the hardware requirements to run WhatsApp Messenger.
Please note, that despite all of our efforts to provide you correct information about this application we cannot guarantee full compatibility due to hardware manufacturers often incomplete or incorrect specifications.
WhatsApp Messenger is a smartphone messaging app which allows you to exchange messages with your friends and contacts without having to pay for SMS. To send and receive messages, WhatsApp utilizes your existing smartphone internet data plan: 3G/EDGE (or Wi-Fi when available).
WhatsApp only works among users who have the application, so after you download WhatsApp, make sure to use the "Tell a Friend" feature to share this App with the friends and contacts in your address...read more about WhatsApp Messenger on the detail page