All of what you are talking about is majorly dependent on the field of development and the tools currently available. Python isn't available or practical for everything.

Try this: http://quickfuseapps.com/app/edit

It's for building voice apps, and believe me, it's easier to learn than anything in the space (VoiceXML, random proprietary APIs, etc.)

Java isn't necessarily easy to learn, and that's all that Android has right now.