3D puzzle "qb cube"

I whant to present new free puzzle game!
In this game player should switch and match cubes with one color on sides of the big cube.

video on youtube: http://youtu.be/QcyTmG5wzfs

web demo build: http://oldstuffgames.com/qbcube.html

appstore link: https://itunes.apple.com/us/app/qb-cube/id852957568?ls=1&mt=8
google play link: https://play.google.com/store/apps/details?id=com.oldstuffgames.theCube