SmartLight redirects sunlight into building interiors

The video tutorial explains the use of electro fluidic cells that are self-powered by embedded photovoltaics. These cells, when applied near the top of a window, can redirect sunlight to provide ambient room lighting or focus it for task lighting. Users can wirelessly set their lighting preferences using a smartphone app.

What options do users have for setting their lighting preferences?

How can users control the lighting system mentioned in the text?