Version 1.0 , 12 January 2010
  - first release

Version 2.0 , 16 May 2011
  - support for 2 finger zoom
  - new screen layout
  - support for bar code scanner

Version 2.1, 26 September 2011
  - Fixed problem with OS 3.2 tablets and keyboard input
  - Added fieldexit check and prehelp mode as options.
  - Bug fixing