How To Lock WhatsApp with Password
Lock Whatsapp For Android:
1.If you are android user then just Download Whatsapp Lock
from android market.Click here to download.
2.Install it and make your Whatsapp secure and safe
3.It is totally free to use app!
Lock Whatapp For BlackBerry
Its very much same like android.Just Download lock for
BlackBerry and install it on your phone.It also come free and user can lock
his/her app with this lock app!
Lock and Enjoy!!