Why it open the APP’s information page, after I click the APP’s desktop icon?

The reason for this occurrence is that you previously installed the application within the GBox, which automatically creates a shortcut on the desktop. After uninstalling the application from the GBox, the desktop shortcut can’t be automatically removed. When you click this icon, it will redirect you to the application information page for installation or other actions. If you don’t want to install this app again, you can long-press the desktop icon and select 'Remove'.