Minecraft Pocket Edition (MCPE) has been a popular mobile game since its release, offering a unique gaming experience on-the-go. However, the game's performance and graphical capabilities have been limited by its native engine. OptiFine, a third-party optimization and enhancement tool, has been developed to bridge this gap. This paper reviews OptiFine V4 for MCPE 1.20, exploring its features, performance enhancements, and impact on the overall gaming experience.