I don't think they mean anything. I think there for just added effect for the background
roku 2 xs
4
-2/ xs/:2
XS = 10+1/2
In Roman numerals S = 1/2 or 0.5 and XS would mean 10.5
XS in Roman Numerals might be 10.5 or 10 1/2. Ten and a half.
There are no English words with 2 Xs in a row.
The L-A- Complex - 2012 Xs and Os 2-12 is rated/received certificates of: USA:TV-14
Phobos (fear) and Deimos (terror/dread). The 2 moons of Mars.
2 Litres
metal xs
Ask your lawyer.