Build iOS and Android Apps with HTML5, JS and CSS
There's more than one way to build mobile apps. Years back, the only way to build apps for iOS and Android is to wrestle with Objective C, Cocoa and Java.
Now, you can build mobile apps with much less hair pulling. HTML5, JS and CSS can do that trick, with a little help of PhoneGap.
Android Programming Tutorial
This tutorial is getting thick. It gets updated everytime we conduct a training on Android Programming. If you don't mind reading through a bunch of instructions, working on the command line almost exlusively then you might want to check this out.