[Q] Original Launcher from android source?

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http://forum.xda-developers.com – Suppose that Google sells the phone for the end user, without undergoing any other company like Sansung for example. What is the ICS launcher original design straight from google? Ex: A Samsung has as the original Twiz The HTC is the sense?! (never had one) And google? What is the original launcher, without anyone change? Either there is a project launcher official for google ? Or its not cause its open source and only 3rd dev create an custom launcher? I cant believe that Google doesn't have an oficial launcher write by Google itself.:confused: I saw somewhere that talking is Holo, but th (HowTos)