I secretly submitted the demo Voxeland (a non-interactive version of Oemfoeland) as a PC demo competition entry with some nice music at Revision 2011. It currently only works on Windows, sorry. (Mac and Linux availability are for my next showcase.)
You can press G anytime to stop the camera. You can navigate the infinite world yourself by using the keys W, S, A, D, Space and C. You can also place and destroy blocks by clicking your right and left mouse buttons.