Depending on her needs, the walker bags / wheel chair bags / lounge chair bags are very useful and can be prettied up as much as you'd like.
Depending on the type of stroke she had and again on her needs, you might want to do a lap quilt that has different textures to help with telling the differences in touch or an "adult" oriented "I spy" if she seems to have problems in recognizing everyday items.
The disappearing 9 patch is very quick and pretty.
Good wishes and thoughts to you and your friend.