Why is there no audio sharing from vCastSender for Android while screen-mirroring to a ViewBoard?

It’s due to a privacy policy by Google for Android phones and tablets. Google only allows apps that are pre-installed on your device to capture audio and prevents third-party apps from recording audio in order to protect user privacy. Therefore, third-party apps can’t get the audio output from your phone or tablet.

How to run the “Reversed Device Control” function of vCastSender for Android?

Please update ViewBoard’s vCastReceiver to v2.4.425, Eairplay to v10.4.24, vCastSender for Android to v2.4.505. After connecting to the ViewBoard’s vCastReceiver with vCastSender for Android, please tap the upper left Setting icon to enable the “Reversed Device Control” setting.    Note: If an Android “Permissions” issue is encountered, plea...

Why do I get a black screen when using Vcast and Youtube/Amazon prime/Netflix?

Refer to this FAQ.

Why is there no audio sharing from vCastSender for Android while screen-mirroring to ViewBoard?

This is due to a privacy policy by Google – Android phone/tablet. Google only allows apps that are pre-installed on your phone/tablet to capture audio and prevents third-party apps from recording audio in order to avoid user privacy invasion. Therefore, third-party apps cannot access the phone/tablet for audio output.