2014/04/02 improve UI performance
2014/03/20 add "USE_CREDENTIALS", "AUTHENTICATE_ACCOUNTS" permission
fix backup APK rename filename
2013/01/18 Speed up launch time(more faster loading application list)
2012/11/07 Fix Can't input Search box
2012/09/24 Fix Some ICS device Crash problem
2012/01/12 Add Android 4.0 New Permision READ_PROFILE and WRITE_PROFILE(as READ OWNER INFO)