This release does not have a Play Store Description, so we grabbed one from version 2.1.01:

Performance solutions for gamers

[Description]
Game Plugins offers various performance improvement and enrichment solutions for perfecting your gameplay. Have fun with our plugins for the best gameplay experience ever!
To get started:
- To use this application, you must have 2.0.01.2 or higher version of Game Optimizing Service. It can be updated from the Galaxy Store.
- Download Game Plugins from the Galaxy Store. You can then select specific plugins, such as Perf Z and Daily Limits, to also download.
- The settings for each plugin can be configured from within the Game Plugins app.
- Game Plugins will run the plugins that you've turned on every time you start gaming, and stop them when the game is in the back-ground.