Read The Bleepin’ Manual
The Layer Cake Menu
Tap that layers thingy & BOOM—layers menu appears with literally every doodle you've ever made. Srsly.
Addin' Layers Like a Boss
Wanna add more layers? Smash that "+" button in the upper left like your life depends on it. BAM—new layer. Start drawin'. OnSong's all like "oh you changed tools? HERE'S A NEW LAYER." & "brush size different? ANOTHER LAYER." It's like the app's got a problem. (It doesn't. It's freakin' genius.)
Layer Visibility—Show & Hide Yo' Stuff
Tap a row to toggle that checkmark & make layers appear & disappear like magic. Except it's not magic, it's just code. Disappointin', amirite?
Editin' Layers (The Drama)
Tap the Edit button upper right & suddenly you're basically a layer god—delete 'em, rearrange 'em, stack stuff on top of stuff like you actually know what you're doin'. Tap the layer name & give it a real name instead of "Layer 47" or whatever. When you're done playin' god, hit Done upper right & step away from the button.
Tinkerin' With Settings
Wanna customize how these drawings work? Tap that wrench icon lower left corner & prepare to have your mind slightly altered (or not).
Select/Deselect All (Lazy Mode Activated)
Bottom menu's got a segmented control thingy—use it to select or deselect ALL layers at once like the multitaskin' legend you are (or pretend to be).
Blowin' It All Up
Feelin' destructive? Tap the eraser icon lower right corner & POOF—all layers gone after the app asks "u srsly?" one last time. No take-backsies.