Tap on "+" to create a new drawing
Tap the Setting icon in "new drawing" button to modify paper grain and color
Chose Custom and remove the size of your canvas.
The maximum configuration size of your drawing is 4000 pixels x 4000 pixels
Move the drawing to the trash icon
Find your deleted files then choose to put them back to your folder or to delete it definitively
Swipe with two fingers to duplicate your drawing
Swipe from left to show sidebar “over”.
Rename, hide, edit iCloud Sync status or delete the folder.
Tap on the folder to close it
Swipe left and right to browse your folders
Tap on + to create a new folder.
Tap folder name to edit
Tap the gear button to customize
Tap the trash button to delete the entire folder