The iOS player already has its controls and UI annotated, so scrape them all and provide a list to Mark Raynsford so he can put them into the Android player.

Accessibility Labels
Sleep Timer UI element:
"Sleep Timer"
Title in Menu:
"Set Your Sleep Timer"
Options:
"End of Chapter"
"60 Minutes"
"30 Minutes"
"15 Minutes"
"Off"
"Cancel"
Airplay route UI element:
"Airplay"
Hint (initiates after delay):
"Send audio to another airplay-compatible device."
Middle timecode label:
"[time in hr min sec] until playback pauses"
Other text labels:
"Chapter __ of __"
Playback speed setting UI element:
"Playback speed [speed value]"
Play/Pause/Skip:
"Rewind %d seconds"
"Fast Forward %d seconds"
"Play" or "Pause"
Audiobook icon (overlaid on bookcover):
Book title + "Audiobook"
eBook icon overlaid on bookcover:
Book title + "eBook"