blend2java

Hi
I have a question
I want to make a game in blender but in my class my teachers said to me that a game .exe that everyone download in the internet is not a good idea ( security problem), they told me that I have to try to make a game in line, so my question is this one:
Someone knows about the application blend2java, I found this pages:
http://blend2java.sourceforge.net/blend2java-howto.html
http://developers.sun.com/learning/javaoneonline/2007/pdf/TS-3073.pdf
Somebody have an example that I can visit in line? , the .blend to check it? Someone knows something??
Any opinion thanks

Sorry the English =/