W-Seen for Android

w-seen is a helper application that can track whatsapp activities of given number. After adding number, you will recieve instant notification when user the number is online or offline,

also you can see all online duration as a report. It is not important that you are blocked or not by the number that you added. Also the number you add does not have any information about you are following his/her status.

w-seen is also compatible with hidden "last seen".