Movement - D-pad
Select mode - Right shoulderbutton.
Inventory - Y
Primary action - A
Secondary action - X
Skip/Menu - Start
Options menu - F6
Toggle fullscreen - F10
Only one autosave is currently supported:
When you start a new game it creates/overwrites the autosave.
When you enter a new area it saves to the autosave and when you exit the game it saves to the auto save.
There is a backup of your last session's autosave located in your appdata dir (save/oldsave)