LiquidParts - Application for edit system settings in liquid, be added as system app Developer - RomzesRover, based on liquid parts by Thepasto
PagerSliding it's a library to make sliding pager like in new google play, you can read about this here: https://github.com/astuetz/PagerSlidingTabStrip
Supported version 4.0.3 + but it possible to port to an old version like 2.3