Its free app , in which you can convert your cam shot in to line art or sketch and you can also edit it and correct shapes with eraser and pencil.
" New User experience for using apple pencil "
- you can also make it with recolor and add effect with new look.
=> How to Use:
1) First select image from Gallery or take pic with cam.
2) you get Sketches of image you need to select one of them.
3) you can edit it by hand as you wish and also can save it.
4) Edited image you can recolor & save.
5) Last step Apply effect on photo and save or share with friends.
Enjoy!!!!!!!!!!!!!!!!