A couple of instances would be if our team is doing a presentation at a client’s location and they only have their phones or tablets. If they have the Prezi Live option, they wouldn’t have to connect their device via adaptors to a monitor or screen. They could either send it to everyone present and everyone can follow along on their own device, Or if they were provided a laptop by the client to present with, they wouldn’t have to sign in to their Prezi account and start the presentation, they can just start the Prezi Live from their phone and open the link via a browser on that laptop and have people follow along with ease.
The remote mode you suggested also requires a Bluetooth connection. What if the PC they were offered didn’t have that capability? And plus, now they are stuck with figuring out another tech feature (starting the Prezi and then trying to connect via Bluetooth) while clients are waiting on them. Tech is great when it works, but we all know, the less you have to figure out or try to connect in front of customers the better the meeting/ pitch will go.
These are just a few scenarios. I’m sure there would be more benefits to having the Live Prezi option on the mobile app that I’m not thinking of now.