Eraser (com.tshingy.eraser) on Google Play
Erase All Text and Multimedia Messages on the Device.Do you have someone who suddenly demands your phone and checks your text and multimedia messages? Are you afraid they might see what you text, who you text, or who text-ed you?Remove that embarrassing moment with Eraser. You can erase all your SMS/MMS from your Messaging Inbox.All you have to do is lunch Eraser and with one touch all your text and multimedia messages will be erased from the device.