This app do not kill mosquito but it does repel mosquitoes away!
HOW IT WORKS
Mosquito Repellent emits high frequency ultra sound that repel mosquitoes. It has been scientifically proven that ultrasound repel mosquitoes and other insects. More about the technique: http://www.ehow.com/list_7865665_frequencies-repel-insects.html
There are about 3500 known mosquito species in the world and they all react slightly different to this repellent. Use the pitch controller to find the optimal repelling frequency for your region.
PS: Performance affected by the speaker quality and the environment.