Kovaluu's Beats and Loops app uses your phone as a drum pedal
 

If you’re a musician looking to add drum beats or loops via a pedal, a Finnish company called Kovaluu has unveiled a cheap solution. Its app for iOS and Android, called Beats and Loops, transforms your smartphone into a virtual pedal. You can trigger...

https://www.engadget.com/kovaluu-bea...103507651.html