I am pleased to be able to tell you that there is 
. Genode (discussed - albeit to a mixed reception - elsewhere in the forum) is being developed very actively for the Pine Phone. I am very excited for this development, largely for the same reasons as you allude to, that it is a European system, and will hopefully uphold our own values of privacy which is not respected by US surveillance capitalism or the Chinese “great firewall”. It is of technical parity with Fuchsia, Google’s own attempt at a replacement for Android.