2.0
2017-02-01
Apply ETS guidelines
Support iPhone 7 and iPhone 7 Plus
1.5.2
2014-10-10
Bug fixes.
1.4.2
2014-05-23
Bug fixes.
1.4.1
2014-03-06
Bug fixes.
1.4
2014-02-08
Support iOS 7
1.3.4
2013-11-26
Minor corrections.
1.3.3
2013-11-06
Bug fixes for iOS 7.
1.3.2
2013-06-26
Fix an app crash bug introduced by previous version.
1.3.1
2013-05-23
Minor bug fixes
1.3
2013-05-07
Improved UIs,
iphone 4-Inch Retina Display Support.
1.2
2012-10-10
Save the workspace data for reviewing;
Allow users to click on links in discussion message;
Fix other minor bugs.
1.1.3
2012-08-10
Bug Fixes
Question Database Updates.
1.1.2
2012-06-19
Add a "Restore Purchase" Button in the Marketplace;
Fix a system crash bug.
1.1.1
2012-06-08
Update Question sets database.
1.1
2012-05-08
Improve the navigations between questions and sets;
Correct the errors in Question database.
1.0.1
2012-04-06
Fix editting errors in Qeustion sets;
Fix some minor software bugs.
1.0
2012-03-16
Correct Question Set Errors;
Add Descriptions for packages;
Fix Software Bugs.
0.2
2012-02-25
Correcting Question set errors.