Yes please! I'm usually just a lurker on forums but I wanted to register here to encourage you to continue. Thank you for your work lsd_blottr. I'm using the english version of your first firmware now. The theme is great and I really appreciate that you fixed the shoulder button mapping for GBA emulation. Please do continue. I'm sure there are others like me who like to check in for information and updated firmware but don't usually do any actual posting so please keep it up.
Since you seem to be able to fix button mapping, I am curious if anyone else has issues with the mapping for Genesis/Megadrive games? I know they wanted to keep the A & B buttons as equivalent to A & B for Genesis emulation, but Sega consoles had their buttons ordered opposite of the Nintendo layout followed by the letcool and (for me) it really detracts from otherwise awesome Genesis emulation. I'd rather see a Letcool Button to Genesis mapping something like Y=A, B=B, A=C, but it's probably not worth the effort if I am the only one bothered by the curent mapping.
Other than that I echo the question about how far you think it is possible to take your work on the letcool. Just for the heck of it, here are some (probably totally unrealisitc) things I would like to see:
1. Linux: Like Dingux (probably well beyond the scope of firmware modification considering the closed hardware)
2. Improved emulator performance: SNES seems a little laggy and gets worse when I use the D-pad (odd). GBA has improved, but it's still a little skippy. (I'm not holding my breath for this, but I'd love to see it.)
3. Volume button fix: Volume button operation seems sporadic, sometimes doing nothing and other times jumping several levels, especially when using emulators. (Has anyone else noticed this?)
Please let us know how far you think it is possible to go and keep up the good work. I'll be using your updates for sure.