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

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

13. Google had bought android in 2005.

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

15. Cupcake

16. donate

17. Eclair

18. Froyo

19. Ginger bread

20. Honeycomb

21. Ice cream sandwich

22. Jelly bean

23. Kitkat

28. Samsung touch wiz

29. Xperia

30. HTC sense

31. Pure android

32. nexus

33. Motorola

34. Google play edition devices

35. Low end devices

36. mid end devices

37. High end devices

38. Android v 4.0.4 Google glass

64. Project ARA

73. Android v 4.2.2 galaxy gear

74. Samsung galaxy nx android v. 4.2

102. Sources Wikipedia www.android.com www.samsung.com/us www.google.com/glass