A friend of mine recently showed me his cool new car upgrade. He didn't want to rip out the old stereo but he wanted Car Play in his car for his maps and music. So he bought one of these units and stuck it to his windscreen instead... 
https://www.amazon.co.uk/ATOTO-Wireless-Portable-Touchscreen-P8-02EU-A71/dp/B0B4VGLLLN 

That got me thinking. I use my iphone for Nav in the cockpit of my Jodel, However, I struggle with screen space.  I have a 10" tablet for SkyDemon as well but that's usually sat on the passenger seat as it's too cumbersome to have strapped to my leg.