Interlocked Androis Gameplay - Puzzle

InterLocked:
https://play.google.com/store/apps/details?id=com.wecreatestuff.interlocked&hl=en
Are you smart enough to unlock the secret?
"If you’re a true puzzle head, you cannot let this one slip past you." -- jayisgames
"It's such a simple concept but it's executed so elegantly with a crisp design polished to a high gloss that it's easy to recommend to virtually anyone." -- The iPhone App Review
Do you know those puzzles consisting of a few wooden blocks that are impossible take apart? Then you know Interlocked. Each level, you’re given a unique and beautiful 3D puzzle consisting of blocks that hold each other together. Take it apart and you'll feel ten times as smart.