Hello,
we just started with VDMX a few months ago
https://www.facebook.com/kubikmilk
from big venues LED screens to small party events
in our setup we use 4 video layers + 2 masks layers
+ effects
Background - 2 x Wide
Left + Right compose + 1 Mask
Foreground - 2 x Wide + 1 Mask
for controlling we use iPhone with Lemur
Best
Adrian