更新於2015年09月22日
2015-03-29: Version 2.0 - bug fixes for select from gallery, prefer external storage for install
2014-05-07: Version 1.9 - interface changes
Previous Changes: wait spinner, ability to select percentage to blend, select input image from gallery, images saved to DCIM for easier gallery access
2013-05-27: Version 1.0 - initial release
