I'm very surprised to see a 1.5.5 version is available while on the WordPress Changelog version 2.0 is mentioned with a release date of October 25, 2012. When I installed this plugin about a month ago, it was version 1.1. I had to visit this link:
to find the changes for the 1.5.1 version. No word about 1.5.5
Guys of MobileChief, please get your communication straight. On the Visionize website you're promoting the plugin as top quality custom wordpress plugins but then at least try to meet that quality level.