What is the Pump It - Jar To Jar game, how does it work?

According to the introduction of QA Studios, Pump It - Jar To Jar is a Arcade game on the Android platform. There is currently a 1.5.2 version released on Oct 24, 2017, you can see the details below.

GAME RULES
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Spread water in the left jar by touching the screen. Then release your finger to let water flows to target jar. If water level is in green line, you win the round. How far can you go?

CREDIT
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+ Game developed using LibGDX, Universal Tween Engine.
+ Use some pictures from freepik.com.
+ Use some sounds from freesound.org, Worm Armageddon.

FAN PAGE
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+ Facebook: https://www.facebook.com/qastudiosapps
+ Twitter: https://twitter.com/qastudios

v1.8.3
+ Introduce new game: Smiley Chain.
+ Update to latest frameworks.

v1.8.2
+ Introduce new game: Tetros 2.
+ Update to latest frameworks.

v1.8.1
+ Introduce new game: X-minos.
+ Reduce app size.
+ Update to latest frameworks.

v1.8
+ Update to latest frameworks.

v1.7.3
+ Adjust display for screens have ratio > 16:9.

v1.7.2
+ Enable Firebase Crashlytics.
+ Introduce new game: Dr. Virus.

v1.7.1
+ Introduce new game: Minesweeper Retro.