Android Q may include a dark theme and desktop mode
 

Many Android users still don't have Pie yet, but details are already emerging for its follow-up. XDA says it has obtained a very early build of Android Q (Quiche? Queso?) that hints at Google's plans. For one, there's a system-wide dark theme. Th...

https://www.engadget.com/2019/01/17/...-desktop-mode/