- left-click to open bookmark in current tab
- middle-click or Ctrl+letf-click to open bookmark in new tab
- Shift+middle-click to open bookmark in new tab and switch to it
- Shift+left-click to open bookmark in new window
- middle-click on folder to open all bookmarks from the folder
- right-click to open context menu
On the options page you can choose which folder or bookmarks to show.
Go to Chrome Web Store to install the extension