SpringNotes was designed to support a keyboard enabling advanced navigation and editing using key combinations. If you use a hardware keyboard you will delighted with the support offered.
In general, each Pane has its own commands which can be discovered by holding down the CMD key on the iPad or visible via the app menu on the Mac. The arrow keys are enabled for navigating within and across the Library - Document List and the Editor.
Many of the commands are context sensitive which means the command works on the paragraph where the cursor is currently located.
Below are the custom key commands that are available within the Editor.