My Hearthstone app adds an overlay on top of the playing zone, and will display information attached to elements in the zone (like the turn at which a card was drawn).
As I will probably need to add (disconnected) information in several places, I was wondering if it was better to have a single overlay (possibly spanning the entire game zone) with all the information or to have several smaller windows, each in charge of a specific zone.
What is the recommendation?
hi @sebastientromp.
Our official recommendation is NOT to use full-screen transparent window.
You can read why here: https://overwolf.github.io/docs/topics/using-overwolf-windows#dont-use-full-screen-transparent-window
Thanks. Eran
Got it 
Just to make sure it’s crystal clear to me: let’s say I have 10 small overlays at the same time, none of which are draggable. Should I still use 10 different windows (one for each overlay) instead of one single full-screen overlay with all the info?
@sebastientromp I think that it’s depends on the use case. Basically, you need to find the sweet spot between your requirements and the fact that in-game transparency “costs”:
if you have several small UI elements - you might arrange your UI more effectively - maybe a full width but rather thin transparent strip, that allows you to “spread” your UI elements on it. Maybe use 2 strips in the top and bottom, maybe use vertical strip as well, etc.
I hope that it make sense.
Thanks.