I'm use Acrobat Pro to create vocabulary lessons. These lessons are intended for remote teaching which is very important right now. I use the forms mechanism to let students enter text or select answers in a multiple-choice format. I also embed short sound files (MP3 format) so students can hear vocabulary words. This feature works well on computers with Acrobat Reader but it would be a huge breakthrough if this type of lesson could be viewed, edited, and listened to on mobile devices. Acrobat for iPhone allows editing but I don't see a way to play the sound files. Can this feature be added? Is this on the product enhancement roadmap?