NSB App Studio is what I use to create my web apps (at medwebapp.com and oncopda.com ) and subsequently convert them to native Android and iOS apps with Phonegap.
If you are interested in coding the easy way, you might want to check out the latest version of NSB App Studio now in it’s 4th iteration. Version 4.0 brings with it lots of but retains the same drag and drop ease of using it’s IDE.
Are you interested in coding medical apps? You should !