My PaintBrush Pro 2.1.0 macOS

My PaintBrush Pro features highlights:
+ More than 100 types of High-quality Natural Brushes:
* Brush: 25 types
* Pencil : 6 types
* Pen : 16 types
* Airbrush : 11 types
* Decoration : 25 types
* Blur : 19 types
* eraser: 4 types
+ Adjustable Parameter of Brushes
* Transparency
* Pressure-sensitive
* Radius
* Hardness
+ Build up and manage multiple layers:
* Merge or combine layers.
* Set the alpha value of individual layer.
* Customize the layer to be visible or not.
* Freely Change the order of layers.
* Delete unwanted layers.
+ Operations on each layer
* Customized times undo/redo.
* Flip horizontally and vertically.
* Move selected zone.
Compatibility:macOS 10.9 or later