So, I haven't attempted to listen to any tunes in a while. At least since a version or two ago.
Anwayway, yesterday I did. Exit app, leaving running in background, selected the music player and got some music going, clicked on the Nav icon to come back to iFly (same procedure I used in the past).
When the ifly app window came back is was sideways and only only a half screen with the window cut-off. Should have taken a picutre, may not have described that well.
i.e. Unit is Portrait, top half of portrait screen showed ifly rotated in a landscape orienation, bottom hald of screen showed a partial ifly start page, i.e. with the Nav, Musix, settings buttons.
I was able to repeat this. Only fix being to unplug, poer down and restart.