Roon Remote app rotation on an Amazon Fire HD 10

[dylan (Dylan Caudill)]

Hi @Steve_Mato,

The availability of portrait and landscape modes are dependent on the DPI of the machine. You can read more about this here:

Lenovo Yoga Stuck in portrait

Ok, I got to the root of this… and it looks like the others got this right by messing with the DensityDPI setting. The problem is that Android source code (I checked latest) has a mechanism of detecting phone mode, which is: smallest size * 160 / densitydpi – if that value is < 600, you are considered a phone, and Roon trusts the OS. This device, being 10 inches diagonal and 1280x800, should have a DPI of ~150, as per https://www.sven.de/dpi/ The problem is it is reporting a densitydpi of 21…