Add documents for 3.07 - In-app billing
Add in-app purchase sample application - statement only
add test application of android
submit report for 1.04
solve to FrameLayout-Practice1
solve FrameLayoutPractice2
solve ScrollViewPractice1
solve LayoutAssignment1
solve LayoutAssignment2_1
solve LayoutAssignment2_2
solve LayoutAssignment3 temporary
solve LayoutAssignment3 final
fix compile error
solve ActivityPractice1
solve FragmentPractice1
solve ControllerAssignment1
fix ControllerAssignment2 encoding
solve ControllerAssignment3
solve ControllerAssignment4
solve ControllerAssignment2