STOP using 'apps' and start using a "webpage"
app's are just a waste of time if your providing a free service
they are only useful if your charging someone....
but what about video conferencing ? have you ever heard of WebRTC... these people have not a clue about how to deliver digital services.
if the NHS or GP's published a web site with video embedded they could bundle it in a app container for those that...
just look at rocketchat they have all the regulations etc...