Well, first of all, let me say I feel honored that you choose me to help your RPG stay alive. It was quite a shock to find your message.
Secondly, I don't think I could honestly take complete control over it. That wouldn't be right. You are the GM of this game, and you need to be the one to decide how it plays out. On the other hand, I don't want the game to die...
Here's my proposal. I am willing to take temporary reins over the game to keep it alive, but in exchange, you have to tell me where you want the story to go and how you want it to work. I'll PM the RPGers about it, then hold down the fort with your information until you get back into the swing of things. Deal?