These are 2 in-house GIS Apps which my customer is developing. Right now their (and thus mine) first prio for them is to get Android and Windows working. I tried to include Linux in the list, but it was rejected due to user base and resources limitations.

On personal front: falk.de navigation (IMO one of the best for bicycle) doesn't install. I use falk from browser, but the positioning is too slow for browser, especially when on bike. "Here Maps" or "Google Maps" are not optimized for biking, I don't even use them on LineageOS/Windows phones. I also could not find a native alternative for bike navigation yet.

Being a tester for a forest management / transportation company, Camera, GIS and GPS are essential for me. I also know that, these are probably small things for many people, and I could just stow the phone for 6-8 months and when I have time start developing/testing the needed apps, but if someone can actually use the phone in that time, it would be preferred.