CameraX is a free android application for controlling android smart phone camera ISO and Shutter speeds. ISO range of mobile camera is available in scale in app to select from minimum to maximum. Same way shutter speed can be controlled from 1 millisecond to 10 milliseconds.

Major features:

● All photographic parameters are adjustable and always at hand: exposure compensation, ISO, light metering mode, focus mode, white balance and program mode.
● JPEG an RAW photo capturing formats, perfect for post-processing.