Zoom.us can provide more support for screensharing and mouse control because those features are a part of their technology. Here's a link to one of their support pages that should help: https://support.zoom.us/hc/en-us/articles/201362673-Request-or-Give-Remote-Control
Important notes
On Apple computers, here's an additional Zoom support link that should help. Both teachers and students who are using Apple computers will need to follow these instructions: https://support.zoom.us/hc/en-us/articles/360016688031
If you are using the Whizzimo website app, there may be a Zoom tab that has opened in your browser that is now in front of the Whizzimo tab. Please click on the Whizzimo tab as in the picture below to get back to Whizzimo.
ℹ️ Keep Zoom update for the best results. You also want to make sure your google chrome browser and your computer are up to date.