KMPlayer is a versatile media player that supports high-resolution videos, music, and subtitle files. It offers a range of features such as bookmarking, subtitle settings, and play speed adjustments. Users can also control color settings, expand or contract the video screen, and repeat specific sections. KMPlayer supports various formats and has additional functionalities like Chromecast support and the ability to play videos from URLs. It also supports network protocols and cloud storage services.

KMPlayer has introduced KMPlex, a platform where users can earn points by completing missions. These points can be exchanged for listed coins, including MovieBloc Token (MBL) and Cobak Token (CBK). To earn coins on KMPlex, users need to access it through KMPlayer, create a wallet, and participate in missions. Points can be collected and exchanged for coins. KMPlex also offers a special release event for users to earn more points.

KMPlayer VIP, available as an in-app purchase, provides additional features such as a torrent client for real-time play while downloading, video and audio cutting, GIF creation, and MP3 conversion. Users can also customize their experience with VIP themes. The subscription details include a free trial, automatic renewal, and the ability to manage and cancel subscriptions through Google Play settings.

The developers of KMPlayer encourage user feedback and suggestions for improving the app. Users can request new features and provide feedback via email. The app requires certain permissions, such as access to storage space for photos, music, and videos. Optional permissions, like drawing over other apps for pop-up play, can be granted for additional features.