To select an application in Menu or a file, folder, setting, or another item within an application, scroll to the item and select Open.
To select an application in Menu or a file, folder, setting, or another item within an application, scroll to the item and press the scroll key.
To select multiple items, scroll to each item and select Options > Mark/Unmark > Mark.
To select all items, select Options > Mark/Unmark > Mark all.