GameBooster-VPN Booster is an Android application developed by liuyulian. It falls under the category of Utilities & Tools and aims to enhance the gaming experience of its users. The app is free to use and offers various acceleration modes to choose from, allowing users to customize their gaming experience.

One of the standout features of GameBooster-VPN Booster is the System Performance Adjuster which monitors the system performance and checks system stability. This helps users optimize their device's performance and ensures a seamless gaming experience. The app also includes a professional VPN service that makes gaming networks smoother.

In addition, GameBooster-VPN Booster offers other features such as Game Settings where users can apply system-wide settings to their games, Quick Boost which boosts the game's performance, and Quick Launch which allows users to quickly launch their games.

However, it is important to note that the app requires permission to load settings from its servers and kill background apps to increase memory.