Basic tools - hippogamesunity/PixelStudioHub GitHub Wiki
1st row
Color opens Color Picker where you can select a color and manage palettes
Pen creates a single pixel with a selected color
Pipette picks a color from a canvas
Eraser makes a selected pixel transparent
Fill fills a closed area with a selected color
Brush opens Brush Settings where you can set brush size or pick a brush pattern
Revert returns your canvas to the previous state
Expand shows additional tools in a 2nd row
2nd row
Fx opens Functions menu with a lot of useful features
Select selects a rect for further actions (like move, rotate, delete)
Move moves a selected area (or a whole layer)
Layers opens Layer Toolbar where you can manage layers
Animation opens Animation Toolbar where you can manage animation frames
Expand shows additional tools in a 3rd row
Restore restores previously reverted action
Menu opens Menu where you can save your project and explore other features
3rd row
Clone used for quick cloning of a selected rect (if selected), a frame (if Animation Toolbar is opened) or a layer
Line draws a line (it's a shortcut to Fx/Line)
Transform used to move a camera with one finger
Eraser Pen works like Pen but will erase pixels if they are filled (use it for corrections)
Color Replace works like Fill tool but is not limited by a closed area (it will replace all pixels of a target color with a selected color)
PixelPen opens a menu for precision draw (like in dotpict app)
Text Tool draws text with a selected font
Grid enables/disables a grid (you can set grid step and color from Settings)