The last button in the panel is the New Shortcut button. It opens a wizard which lets you pick an application you would like to create a shortcut to - very convenient to keep VLC or GoodReader files just a click away! Apps which you create a shortcut for show up in the Dataset Panel, just like VLC in the screenshot below:
If FileApp is installed on your device, iMazing will automatically create a FileApp shortcut
💡Tip: If you do not see your shortcuts, or the New Shortcut button, make sure that you have selected a connected device and not a backup: shortcuts are only available for live devices.
For advanced users, iMazing also offers shortcuts to specific locations in a device’s file system. It can be to a sub-folder of an application's Documents folder, or to a specific location in the device's Media folder for example.
Adding this type of shortcut is done via the File System view: