TalkBack, Kickback, and SoundBack are apps for the Android Accessibility Service to help blind and vision-impaired users use their devices more easily.
These apps add spoken, audible, and vibration functionality services to your device. They are system applications that were pre-installed on most device and are updated when the accessibility service is improved.
These apps only get activated if you explicitly turn on Accessibility.
Steps to activate Accessibility:
1. Go to Settings
2. Select Accessibility
3. Enable Accessibility checkbox
4. Enable TalkBack, KickBack, SoundBack checkboxes

From version KickBack 1.1.2:
Variant
Arch
Version
DPI
(Android 1.5+)
Latest: 1.0.0 on January 16, 2015
(Android 1.6+)
Latest: 1.1.2 on February 4, 2016
All versions
KickBack 1.1.2
February 4, 2016

Version:1.1.2

Uploaded:February 4, 2016 at 2:23AM UTC

File size:0.01 MB

Downloads:51

KickBack 1.0.0
January 16, 2015

Version:1.0.0

Uploaded:January 16, 2015 at 4:35AM UTC

File size:0 MB

Downloads:28