WordPress is becoming very slow to connect from my home. So missed to update release notes of previous two version. Please allow me to summarize changes of 3 version in one release note.
(1) Ability to change trigger icon position
(2) Added Camera button
(3) Added Call button
(4) Added function to kill/start Button Savior service
(5) Added screen lock function (Requires 2.2)
(1) Occasional broken auto hide timer