Autoplay audio and video

Hello! I'm having trouble getting autoplay to work for my audio and video. I followed the ODK's instruction to edit the form's source XML to specify an autoplay attribute with a value of "audio" or "video" on specific prompt. I didn't encounter any errors, but the audio and video did not play when I tested it on the Samsung phone. I even unstalled and installed CommmCare, but no luck. Everything works fine except autoplay. Can anyone help? Thanks!

Hi Miao,

CommCare's form player intentionally doesn't support autoplay for audio or
video content. Sorry for any confusion between what is supported by
different tools.

-Clayton