It's a shame that the offer comes now because it's still too early... but the Purism Librem 5 phone[0]. It's just getting off the ground and this is an effort that really needs to succeed (more broadly).
We actually do this on an almost monthly basis, so who knows :) We would LOVE to work on this particular project. Is there anyone you know we can contact specifically for a more tight collaboration? Find my email in my bio
Good suggestion, and I wouldn't say it comes too early, making the default PureOS apps mobile-friendly is work that can start now: