@PhilTheHat thanks a lot for your comment! I see what you mean, and I like the idea with the password. Hopefully, we’ll consider your suggestion in one of the nearest updates!
And to speed up this process, please vote for this idea to bump it to top, this may encourage other users to vote too 
As for your app suggestion, I’ve added it as a separate new app idea, so feel free to vote for it to get the updates here: Presentation App.
Thanks a lot for your help! Oh, and welcome to the Elfsight community, we’re happy to have you with us