Tested it for 5 minutes, the GUI seems not totally broken but unusable (white text on white background)

file:///usr/lib/qt4/imports/org/maemo/fremantle/AbstractMenu.qml:196:9: QML BorderImage: Failed to get image from provider: image://theme/meegotouch-menu-inverted-background

Looks like a missing image (not present in maemo), seems very easy to fix.
Megadrive emulation doesn't take 100% cpu like in pico maemo version