ROLL by Ultimate Ears is a free Android app that lets you control your wireless speakers from a distance. This is developed by Logitech Europe S.A. that lets users easily control their wireless speakers from a distance. You can access cool features like Double Up, a musical alarm, and a customizable 5-band EQ. You can wirelessly double up with a second Ultimate Ears speaker and control the balance. You can also power your speaker on/off from a distance. The app is easy to use and perfect for anyone who wants an enhanced listening experience.