1. It's amazing the sheer number of devices to which pmOS is now bootable. Also previously supported devices keep getting better. For example, g--gle-glass works well with the default configuration, once you are able to get it flashed to the device.
2. While I haven't yet the chance to personally use it, pine64-pinephone and purism-librem5 are the closest that we have to modern GNU[?]/Linux smartphones out there [2,3].
3. Anbox on pmOS means that the wealth of touch-optimized FOSS android applications are also available for the touchscreen devices that pmOS targets .
Things are getting exciting in the mobile-linux world.
[?]: Is Alpine Linux GNU/Linux?
Alpine Linux is Busybox/Linux