On the old Mobi Control server use this URL and log in with the credentials provided by Tasklet Factory:
https://mobi.taskletfactory.com/mobicontrol/WebConsole/Home
On the new Mobi Control server use this URL and log in with the credentials provided by Tasklet Factory:
https://mob2.taskletfactory.com/MobiControl/WebConsole/home
In both cases, click on the icon next to the scanner you wish to remote control and find "Remote control"
Or Click the device name:
And then click the remote control icon in the top: