Ok guys (& gals), as promised, I modified the Alex cab to include the HD-specific files (arrow-keys and landscape mode).
Unfortunately I can't test it because I already installed the keyboard with the manual-copy approach and don't feel like hard-resetting right now.
I don't see any reason why it wouldn't work because I only replaced one file and added another. But still, I shall repeat the usual mantra:
Use at your own risk! I am not to be held responsible in case it doesn't work, bricks your device, or brings the end of the world as we know it (in a negative way)
That said, I'd be happy if you test it and post your results.
Oh, and if anyone could help out in making the menu say "Hebrew" instead of "Italian" I'd be most grateful as I do appreciate aesthetics (yeke ma la'asot