Happy sketchpad
1. Brush tool
You can draw on a drawing board or picture
2. enhancement
You can adjust the brightness, contrast, saturation, color temperature, etc
3. text
You can enter text to display on a palette or picture
You can drag text at will
You can change the color and size of the text
4. filter
Provide multiple filters to beautify pictures
5. tailoring
The clipping box can be dragged and resized at will