It works for every phone and doesn’t require me to have an app installed. It doesn’t change on which contact I have (“oh she uses WhatsApp, he uses some other

It works for every phone and doesn’t require me to have an app installed. It doesn’t change on which contact I have (“oh she uses WhatsApp, he uses some other app, this group chat is on facebook messenger, etc”. It’s just one tech that works on all phones. I don’t even mind if its missing five million emojis or things like that.