I'm not sure what the purpose of locking the screen when pressing the power button while in the camera app, it is annoying and keeps the screen on, it would be nice to keep the camera 'running' and turn it on to snap a pic, then turn the screen off until you are ready for another shot. Who decided to make it lock the screen, what purpose does that serve? I would use Vignette as the default camera but it is way slower and a pain in its own right. Any suggestions?