It gets the job done for the audience. It's very fast. There is no clutter. Therefore it's almost great design. Up/down buttons too close together for reliable

It gets the job done for the audience. It's very fast. There is no clutter. Therefore it's almost great design. Up/down buttons too close together for reliable use on touch screens (because of the inability to correct a mistap) is what's keeping it one step short of greatness. Design is experience. Graphic design is almost orthogonal.