音楽動画プレイヤー∞（無限大）is a free app that allows users to easily download and play music and videos on their Android devices. With this app, users can enjoy endless entertainment on their smartphones.

The app focuses solely on player functionality, making it a simple and easy-to-use application. Users can navigate through their music and video files effortlessly, ensuring a smooth playback experience.

One of the standout features of this app is its compatibility with setting incoming call and email (Gmail) notification sounds. Users can personalize their device's notification sounds by choosing from their favorite music tracks. Please note that this feature may not be available on all devices.

Additionally, the app comes equipped with an alarm function that allows users to set both videos and music as alarms. However, it's important to note that this feature may not be supported on all devices.