Smart Paint - drawing & sketch description

*Overview
This software is an painting and editing application.
This application allows the user to edit and create pictures, and it also has many features.

*Resize
The user can adjust the size of the picture by pressing buttons or by pinching in and out on touchscreens.

*Color
The user can change the colors the same way as in other editing programs.
,and can pick color from canvas to touch for 1 second.

*Tools
The user can select from the tools below.
- pencil
- pen
- line
- airbrush
- texture
- gradation
- bucket
- figure
- eraser

*Layers
The user can edit and create pictures using layers.
The user can save a picture with a layer structure, and export it as a png file.

*Redo/Undo
The user can undo and redo the actions many times.

*File Manager
The application has a specific file manager which allows the user to see the thumbnail of each picture.