If you distribute or otherwise publish your derivative works or modifications of the source code or / and art assets, you automatically grant to Wube Software Ltd. the irrevocable, perpetual, royalty free, sublicensable right and license under all applicable copyrights and intellectual property rights laws to use, reproduce, modify, adapt, perform, display, distribute and otherwise exploit and / or dispose of the modifications and / or derivative works (or any part of them) in any way Wube Software Ltd. considers appropriate.