Frustrating

I cant scroll, have to use stupid pedal, cant edit, cant invert white to black screen, cant change font or screen size effectively, cant change screen brightness, ughhh. Not a powerful app at all. Just a file folder with a metronome. Cant anyone make an app for musicians/singers that is useful? I would have sent this to developer e mail, like he suggested, but could not find address anywhere.

Killaphilla about My Lyric Book