Here is a camera App for your android phones, which will help you to click photos with just a whistle. It will be so easy to click selfies with just one hand and a whistle. The application also includes a picture gallery and a small photo editor.
Click photos by Camera button, Volume Up button or just by a whistle.
Set timers (Click photos after 3 , 5 or 10 seconds after whistle)
Different level of whistle detecting sensitivity
in built editor with effects, frames etc.
Read more and get the application from the Android Play store