There are probably millions of soon to be unsupported devices, N900 (already left behind), N9 and N950 that could conceivably run this. After all, N900 can run open office and it is the oldest of these devices.
It would be much easier to test and contribute if one had a device already to properly experiment with. My N900 is gathering dust and there is no good replacements for its OS.
Hopefully some of the maemo.org guys get excited about this in the future. Sadly the discussion there is not looking too promising.
Other obsolete Linux touch device I have is the HP Touchpad. It could also be a fit for a Boot2Gecko platform ;)