small star-icons to bookmark/remove bookmarks.
Add/Remove Boookmark in solarsystem-menu to do the same.
star-icon in menu to open bookmarks.
Click the bookmark to open the solarsystem-menu on that system.
J-icon to enable/disable that system in
DST tab of solarsystem info.
You can drag&drop bookmarks to change their order.
If cloud is enabled bookmarks get backed up and synced to other devices. They do not get shared.