This is the fastest camera app available for Android.
Fast Burst Camera is capable of taking 30 photos per second.
( on low-end devices, 5-10 photos per second is possible )
Hold shoot button for continuous burst, or tap for fast single shots.
Zero shutter lag – pictures are taken as soon as shutter button is pressed.
https://play.google.com/store/apps/details?id=com.spritefish.fastburstcameralite&hl=en
