Therein lies the problem; you have used that hopefully word again. This same type of teary-eyed plea for hobbyist developers to update free software, (with no incentive to support or enhance it) is very familiar to me, as a former Newton user.
I am under the impression that the 770 is already running its last OS version.
Should and possibly don't work for me. I don't work in should/could/would/possibly/probably.
Does anybody in the world, including Nokia, Hello?, know where I can download a toolkit that I can install, without spending months trying to get it to possibly work, so that I can build the stuff I want?