Let the speculation begin.
Standout features in the software update include support for foldable phones and hardened privacy controls. All good things, but what everyone really wants to know is what the Q will stand for.
If Google follows past Android naming schemes, the Q will stand for some kind of dessert. Android P stood for Pie, Android O for Oreo, Android N for Nougat, etc. Read more...More about Android, Apps And Software, Google Io, Android Q, and Google Io 2019
from Mashable https://mashable.com/article/what-does-android-q-stand-for/