Does it work in Windows/Chrome? I have tried to make a call with a frend but it would not show Video/audio in his side. It has worked from Firefox to Androidapp for me in the past
blocking the stuff you dont want (ads and tracking ) with dns blocklists and adblocker can help a bit. linux has also the option to compress the contents of the ram with Zram. i have not used it myself yet.
I said i have no Smartphone and the gave me the same app for Windows or mac, after asking twice vor more times. It runs in Virtualbox for years now. (I know i know. KMV would work better but i don't change it aslong as it works.
its doable with tablet and laptop screens but you need to know the exact model of the display-panel (not just the tv), i will get a large monitor if my current non smart TV from 2015 dies.
My micro SD Card in the USB Adapter needs 2 vor 3 tries