I would say you could do:
Posters
Powerpoint
A letter
A class
Or a lesson!
1). Create a new file
2). Draw a picture using the brush and geometric shape tools.
3). Fill the drawing with paint
4). Create another layer by importing a picture from the computer
5). Merge the layers
6). Use editing tools to create a more aesthetic picture
7). Edit the layout using selection tools
8). Add text to the layout
9). Save the file in a format you can use
Answer:
Maybe the ability to facetime and give the apple watch a camera.
Explanation:
I know you can call people on your apple watch but you can not facetime so maybe they will add this.