This utility app is a perfect control interface for your existing Diapro intallations that already has a Wireless Display Unit installed. You can use our existing song database or expand it with your own songs. Create and manage your song library with ease. Controlling the projections of lyrics has never been easier. With the extended view you can see the whole songs and select verses with a single tap. Also it provides access to all installation specific functions, such as controlling projectors, HD switchers and mics.