How does the next paragraph end?

How to polish your skills as mobile application developer
Find out your niche.
Today, mobile applications can be developed on various platforms such as flash, java, css, and python etc. You need to find out the right platform on which you can work on.
Learn mobile application programming languages which can be used to develop a mobile application. Major programming languages are qt, java, adobe flash lite, python, objective-c, and apple's proprietary xcode development language.