Fast Camera (com.animreal.quickcamera) on Google Play
Fast Camera is an extremely quick camera with a float camera button. This app provides a camera button always on the top of the screen! Whatever you are doing (playing games, surfing the internet, or use any other apps) on the phone, you can click this float button to take a picture immediately. Never miss any scene that is worth capturing.Features:1. Extremely fast, autofocus, high quality image.2. Support silent mode. No sound, no flash, even NO PREVIEW! 3. Support view photos or delete images.4. Captured pictures are saved on SD card. You can view photos on "QuickCamera" sub directory of the Gallery. 5. Fast Camera has some custom options; you can change appearance of the camera button icon, such as size, auto hide and transparency. 6. You can make the camera button icon almost invisible by setting icon transparency! 7. The float button could be put anywhere on the screen, just long click the icon, then drag and drop it to change its position. 8. Support shake control. Shake your phone to show or hide the float button.A perfect quick silent and hidden camera for you.