We just released a new file locking utlitly for Symbian^3 devices, developed in Qt.
mLocker, is a powerful file locking software having a unique design and advance features.
* Lock any sort of file in your device including images, videos, audios, text etc
* Provides built-in image viewer with browsing images and pinch-to-zoom feature.
* Uses a fast encryption algorithm to lock/unlock files.
* Provides cute interface design.
* Provides all basic features i.e. Locking Files, Restoring Files and Deleting Files from the mLocker.
Sajid Ali Anjum