You can open the settings by pressing the ⚙️ cog
This will change the appearance of your colour selector
This will allow you to choose which type of navigation aid you would like. There are two options, using the navigation cube or using the navigation arrows which you can hold down the circle modifier key to enable. You can choose one, both or no navigation aids.
There are 4 options for your input smoothing level. This feature allows you to create a very smooth line at input level 4, or exactly where your pen draws without smoothing at input level 0.
These are the shadows from your drawing that appear on the grey drawing plane. You can toggle this on and off in the settings.
All settings can be reset back to default by using the reset button.