Shortcuts for Reader
shift-n/p | navigation down/up | selects the next/previous subscription or folder in the navigation
shift-x | navigation expand/collapse | expand or collapse a folder selected in the navigation
shift-o | navigation open subscription | opens the item currently selected in the navigation
Shortcuts for Reader Viewer in List View
j/k | item down/up | selects the next/previous item in the list
n/p | scan down/up | in list view, selects the next item without opening it
o | open/close item | in list view, expands or collapses the selected item
enter | open/close item | in list view, expands or collapses the selected item
s | toggle star | stars the selected item
shift-s | toggle share | shares the selected item
m | mark as read/unread | switches the read state of the selected item
t | tag an item | opens the tagging field for the selected item
v | view original | opens the original source for this article in a new window
shift-a | mark all as read | marks all items in the current view as read
1 | expanded view | displays the subscription as expanded items
2 | list view | displays the subscription as a list of headlines
r | refresh | refreshes the unread counts in the navigation
Global Shortcuts
gh | go to home | goes to the Google Reader homepage
ga | go to all items | goes to the "All items" view
gs | go to starred items | goes to the "Starred items" view
gt | go to tag | allows you to navigate to a tag by entering the tag name
gu | go to subscription | allows you to navigate to a subscription by entering the subscription name
u | toggle full screen mode | hides and shows the list of subscriptions