You are encountering these cases:

- Your application needs a minimum resolution.
- Users have laptops with low resolution.
- When accessing through a web browser, the screen size is smaller and the application is choppy.
- Need to set a minimum resolution  different from the client's initial resolution and is higher than the resolution of the application.


You can change resolution settings as explained here:

https://docs.terminalserviceplus.com/tsplus/html-pages-and-customization


You will need to edit the settings.js file.

The settings.js is located in Web Server root folder path.

C:\Program Files (x86)\TSplus\Clients\www\software\html5


You will need to change these values:

W.dynminwidth 

and 

W.dynminheight