I have just made a launcher for Korax Arena project, based on original Vavoom launcher. I wonder, may it be useful for Vavoom too? Only minor changes to GUI needed to make it fit Vavoom.
EDIT: Hmm, I just read a topic below about portable launcher. I am not sure will this be compatible with all OSes mentioned there, but this launcher may be remade using Borland CLX (cross-platform library) to be compatible with Win and Linux (AFAIK).
This is how it looks like -