Please: I would like to ask you: why don't you add the automatic scrolling feature (already present in desktop version) to android and iOS? It is very useful tool for those who want to improve reading speed!
Thank you for your attention.
Android, Comment markup and annotate, Create PDF, Edit and export, General troubleshooting, Install update and subscribe, Organize PDF pages, PDF forms, Security or signature, View or share PDFs
Or you can access the submit bug report or request feature in your Acrobat Reade mobile app by going to Preferences, then Help, and select Troubleshooting from the pulldown menu that is labeled "Site".