User manual

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Ice Cream Android 4.0 19-10-2011
Honeycomb Android 3.2 15-07-2011
Honeycomb Android 3.1 10-05-2011
Honeycomb Android 3.0 02-02-2011
Gingerbread Android 2.3 06-12-2010
Froyo Android 2.2 20-10-2010
Eclair Android 2.0 26-05-2010
Donut Android 1.6 15-08-2009
Cupcake Android 1.5 30-04-2009
Erste Publikation Android 1.1 10-02-2009
Fig. 2 : Android-version
Fig. 3 : Users per Version ( State: 03-11-2011)