Out of his Hand

I mentioned David Hockney making work with his iPhone some time ago (here).
These are some images he's made with the Brushes app.
[The New York Review of Books]

iHockney

David Hockney uses the iPhone (Brushes app?) to create new work.
[Daily Mail]

Subway & 42

iPhone art using the Brushes app

by Jorge Colombo

[Make Blog]

iSketch

Drawn on the iPhone using the "Brushes" app
Stef Kados[Drawn] (Top)&
Amanda Kavanagh[Urban Sketchers] (Bottom)