Maybe not? His other app(ituens) has a link to a youtube interview:<p><a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=pRL9J6DoCgs&amp;feature=youtu.be" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=pRL9J6DoCgs&amp;feature=youtu.be</a><p><a href="https:&#x2F;&#x2F;itunes.apple.com&#x2F;us&#x2F;app&#x2F;joy-of-programming-painter&#x2F;id998696401?mt=8" rel="nofollow">https:&#x2F;&#x2F;itunes.apple.com&#x2F;us&#x2F;app&#x2F;joy-of-programming-painter&#x2F;i...</a>