a true VGA makes the screen much wider for a better experience while browsing and ofcourse using Wisbar a screen shot would be

and steps to do it
1. download the VGA zip file from xda-developers Universal ftp
2. Unzip the zip file and you will see 3 files...namely, windows folder files, SdkCerts.CAB and OzVGA.exe
3. copy all the files in the windows folder files in your Universal Windows folder
4. Copy the SdkCerts.CAB file to your Universal and then execute it from there
5. Copy the OzVGA.exe to your WindowsStart MenuProgram folder so that you can access the OzVGA from your Start, Program...
6. After you done that, click on the OzVGA.exe in your Universal and then select OzVGA and soft reset...
You will now have TrueVGA experience in your HTC Universal.
As this program is still in beta testing, PLEASE BACKUP YOUR DEVICE BEFORE TRYING IT!!!