This app is optimized for desktop use. Mobile support is experimental and may behave unexpectedly.

1. Create a new System with + New system.
2. Add planets or notes with + Add.
3. Notes are simple square items without links/orbits; you can include todo checkboxes using [ ] and [x].
4. Within the note editor you can choose left/center/right alignment – this setting also updates how the note displays on the playfield.
5. Use Switch to Edit to drag and modify planets.
6. Edit a planet or the sun via the Editor panel on the right.
7. Use the Saves button → Export/Import to back up or restore systems.
8. Make sure to click the Switch to Link button when you are done!
9. You can use Ctrl+Z to undo and Ctrl+Y to redo.