Thanks for the feedback. Point taken on the "no downloads or installs". We wanted to convey how easy it is for someone to view your screen but I can see that it doesn't accurately describe the process for sharing your screen. We'll work to improve the messaging.
I would be cautious about changing your marketing based on feedback here. While we understand you are really downloading an applet, 99% of the people in the world won't even care that distinction exists. A/B test on your target market.