front 0 = top 0
do ↑ or ↑ to combine them.
top will increase 0 → 1
and front will get random 0 → ?

front 2 ≠ right 1
do → or → to rotate cube.
They will not change, but cube will rotate

Once you combine sides, you get points
as much as you get on increased side
You can see score on bottom left corner of screen.