1.1.2 Removed the shop menu. In-app billing service has been stopped for the time being.
1.1.1 Refined for kitkat and 10 inch tablet in landscape mode.
1.1.0 Changeable background for each page.
1.0.4 Keep screen on. Bug fixes of the menu display for android 4.0 or more.
1.0.3 Add 25 types of notepad.