It is a good to for keep you away from Cat and Dog.
"Peace Cat & Dog Repellent" is a light weight tool that generate high quality of Ultra Sonic wave in real-time. It will work better than sound sample based application. With "Peace Cat & Dog Repellent" now you can generate a various frequency of Ultra Sonic wave from 11khz to 22khz.
May Cat or Dog not be with you.
for more cool android app,
visit developer's website : http://peacegadget.wordpress.com