I finally sent my Frogger prototype to Opoth, who's dumped it and made it available on both his site and Zoop's. If you want to try this game, I suggest you beat a hasty path to either Vertigo: 2099 or SMS Power and download it right away. You can play it on MEKA (my personal preference) or another Game Gear emulator.
Once you've tried it, please post your thoughts and opinions here. Thanks!
JR
http://opoth.ath.cx/vt2099/
http://www.smspower.org/