To change the manner in which your hosted application window opens, select the appropriate window size setting in "Session Settings". 
  1. Log into the hosted environment
  2. Select the "Settings" option
  3. Under "User Experience"
  4. In the "Window Size" drop-down, select the window size that works best for your workstation. 
  5. Click "Save"
NOTE:  The appropriate window size can vary depending on the number of monitors you use, and the resolution of the monitors.  Try them all until you find the one that works best for your workstation.