2. Android is a open source operating system based on Linux kernel designed for touch screen devices .

3. Android’s beginning was in 2003 in (Palo alto ; California) to work as a system for cameras by (Android inc.)

5. Google had bought android in 2005 .

6. The first Android version had been launched in 2008 ( first android device was HTC Dream )

13. Samsung touch wiz

14. Xperia

15. HTC sense

16. Pure android

20. S-6312

22. Android v Google glass

23. How it feels

26. Android v galaxy gear

30. Samsung galaxy nx android v. 4.2

33. Always connected

34. Galaxy nx

36. Full camera studio

40. Sources Wikipedia www.android.com www.samsung .com/us