Since the windows application isn't going anywhere, I had a different idea.  Why not try to make a scoring box out of this beast?

 The joystick ports work as generic I/O ports and can replace the teensy.  And I could fulfill my childhood dream of making my own cartridge.  Just for fun I whipped up a splash screen.  This is a screen shot of it running on Alterra (Atari 8-bit emulator.