There is an expert techniques for Rubik's cube which is popular for more than 20 years. The expert techniques are called "Roux". This application give you a full tutorial of the techniques which contain 4 steps and more than 70 formulae.
These formulae are simpler than the formulae in CFOP (another expert solution for speed cubing). The tutorial gave you some comments to remember the basic formulae and help you find out new formulae by yourself.
* Full tutorial of four-steps solution.
* "Tutorial" reveals the internal relationship of these formulae and helps you find new formulae by yourself.
* "Reference" helps you to remember the symbols in recording rotations of cube.
* "Advanced mode" helps you to manipulate a virtual cube like reality. You can double tap to rotate the whole cube and swap the finger to rotate one layer.
* "Quiz" helps you to test whether you learned each steps of full tutorial, it also record the steps and seconds you spent in the quiz. You can shake the iPhone/iPod to regenerate the quiz.
If you are a newbie for Rubik's cube. Please download application
called "Cube Tutorial" which is developed by Laterhorse.com in App store to start a basic tutorial.