When an application creates its own main window, it should also be able to set the version number in the About dialog, or add another version number for the game collection.
[x] Change the About dialog title to be "About app".
[x] Change current version to "Zero Play version X.Y".
When an application creates its own main window, it should also be able to set the version number in the About dialog, or add another version number for the game collection.