GPS map navigation for PinePhone or PineTab? and other questions...

[c_mmxx]

I'm interested in the PinePhone or PineTab with the GPS module, but these devices are still very new, so I'm wondering if they would have the features available that I would like, and if not would they be available in future?

I'd like some GPS function while hiking that I can pinpoint my location and cross reference with my paper Ordnance Survey map (I have paper + digital copies for my area in the UK, but the digital copy requires the iOS or Android app.) I don't expect any integration with the OS maps, and I don't expect any other map to have the level of detail for my area that OS has, but are there any GPS navigation apps that work with the PinePhone/PineTab? or any that might work in the near future?

Currently I don't use a mobile phone at all, I have such little use for one that the credit and number expired on the last two SIM cards I had, so ideally the GPS and map app(s) would work just fine without an active phone. Is that possible?


side questions:

• Is there an expected price announced for the PineTab GPS module? if nothing official is known, what would be a sensible guess at the price?
  

• The PineTime watch is interesting, could this potentially display a GPS map from the PinePhone or PineTab?
  

• My preferred device format for broader use would be a 4:3 ratio tablet at ≈7.9", like the iPad mini. Has there been any talk or rumour or a Pine device like this? I assume it would be way into the future anyway as the PineTab is only just launching now. I've subscribed to the Pine store newsletter, are there any other newsletters that would be more suitable to receive announcements of new devices?