A great design tool from Teehanlax on the subject of converting graphics and layouts to the various formats in the mobile space.

By the way these are the guys who’ve helped build Medium, so they know what they’re talking about and putting the user first.

The lower densities will grow old over the next few years, eventually removing themselves from mobile design and build requirements.

Collectively on track for 1 billion activated devices, iOS and Android are the two major players in the mobile app space. And chances are you’ll be designing for both platforms with most mobile projects nowadays.

Scaling the UI elements of your design and understanding how an asset at one density would scale to another can be confusing at times

How do your site stack up against these various mobile screens and do you scale your photographs and graphs well enough?