Velena Engine Source Code is free software; you can redistribute it and/or 
modify it under the following conditions:


1 - If you make a derived work, the full source code must be distributed 
    and placed in public domain.

2 - You must not charge a fee for this software nor for any derived work 
    in which this software is included.

3 - You must not delete the copyright notices in the source code
    (but of course you can make your own layout for graphics and copyright notices on
    the screen, provided it's clearly expressed that you used the Velena Engine Source
    Code and that's a derived work).