how to find application builder in apex 5 to build first application : I got started with oracle apex 5 and lately finished apex installation, I want to start building first application.. I found in apex documentation that I should start with application builder but I didn't find it in my environment.
when I login to apex the environment appears as in this image.[enter image description here][1]


  [1]: http://i.stack.imgur.com/kHFto.jpg