I installed the Hewbrew package from maemo, is it the same ?
If so :

It seems to me that the problem is, that the menu to choose language gets an addition,
but not the menu to choose hardware keyboard layout.

I do not know how to achieve that, but in the meantime I suggest the following hack,
it worked for me.

First, to check for possible other problems :
Do you have Russian as an alternative ?
If so, change your hardware keyboard layout to Russian.
( You need not change the language setting.)
Type with the sliding keyboard.
Ctrl-Chr should change between latin and cyrillic characters.
If this works, and you do not need Russian, my hack should work.

Run emelfm2 as root.
Look at the the russian section in the rx-44 file and compare it with the rx-44-he file.
They have the same EIGHT_LEVEL structure.

( Of course, backup first . .)
Replace (copy, paste) the Russian chr. definitions inside the russian block
with the Hebrew definitions from inside the Hebrew block.
( Keep the "include---" sentence, and you need not replace all definitions.)
Reboot.

Now set hardware keyboard layout to Russian.

( I suppose you could replace any unneeded language instead of Russian.)


Let's hope the Hebrew package gets extended /(debugged) to include the hardware keyboard.