Osmin
osmin is a offline map application similar to osmand.
Installation
osmin is shipped with Alpine (osmin), thus it can be easily installed in pmOS:
# apk add osmin
Mobile version
Using osmin
Before being able to do anything in osmin, you have to download a map of the area you want to view. To be able to get your location, geoclue has to run you may have to start it manually.