can i run a galaxy S2 android on another model?

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http://androidforums.com – i have a galaxy gio, and i really like the interface and its simplicity, i've also fiddled with a galaxy S2's interface (and its generally the same). i recently aquired a more powerful motorola atrix, but the interface is terrible, and it cant do some things that my gio can (like become a wireless router without the need for high speed internet connection, the unlock method on the atrix requires you to slide to unlock AND input pin/pattern, instead of the gio's going straight to the point). so my question is: can i download and install the S2's android version onto the motorola atrix witho (General)