3a05a791-af7e-491e-8e88-c7a3b9ffd3baThe Windows Phone app, which has gone free next as myAppFree app of the day is Lockscreen Spycam.

Lockscreen Spycam Details:

Lockscreen Spycam Camera lets you take photos while the screen of your phone seems to be locked.
These candid shots are saved on the phone.

You can also switch the Camera mode from rear to front or front to rear.

Install Link