This software will generate a camera preview window that will remain at the top of the phone screen.You can move the preview window through drag and drop to blend into the background.Through clicking on the preview window to take picture or start video recording.Use "Gallery" application to view pictures or play videos.Features:1. One click to take picture / record video.2. Long press to show control panel.3. Drag & Drop to move the preview window.4. Camera Switch5. Portrait / Landscape for picture / video recording6. Preview Size SwitchFor more information, please refer to: http://ben-works.blogspot.tw/2014/04/bl-spy-camera-bl.html1. Fix minor bugs2. Material Design3. Gesture support for video size4. Support SD-card