Check out App Academy (http://appacademy.io), a 9 week accelerated developer program that I help run. Email's in the profile if you have any questions.

There are lots of them. Dev Bootcamp and App Academy come to mind, but google and you'll find plenty of options.

There's lots of material online if you just want to learn. ADUni, OCW etc etc.

The Disruption Institute has a mobile development program http://www.disruptioninstitute.com

We run Tealeaf Academy, which is an online based web dev bootcamp focusing on Ruby and Rails. Read more on our website: www.gotealeaf.com