Oddly enough the commandline apt tools work perfectly well for installing from Ovi. I wonder how hard it would be to hack the application manager back into a sane state. It is one of the open source components isn't it?
[install] catalogues = nokia-ovi-store package = offscr-electric-beams [nokia-ovi-store] id = ovi file=variant-catalogues
[install] catalogues = nokia-apps package = facebook-services [nokia-apps] name = Nokia Applications uri = https://downloads.maemo.nokia.com/fremantle/ssu/apps/ dist = ./
/etc/apt/sources.list.d/hildon-application-manager.list:deb https://downloads.maemo.nokia.com/fremantle/ovi/ ./