4K ULTRA HD Video Player - AM Player - ALL FORMAT is a free multimedia video player for Android devices, developed by AMTech Studio. It supports all video formats, including 4K ultra full HD videos, and even videos that are deleted or hidden. This player automatically selects videos from your device's storage or SD card, and you can also select videos manually.

Apart from the basic video player functions, 4K ULTRA HD Video Player - AM Player - ALL FORMAT provides other features such as volume control, screen brightness adjustment, night mode, quick mute, and the ability to rename or delete videos. You can also move forward or backward by sliding on the screen, and play the next or previous video by clicking on the icons.

In addition, 4K ULTRA HD Video Player - AM Player - ALL FORMAT offers multi playback options such as auto rotation and aspect ratio, and you can even play videos in pop-up window, split screen, or background mode. The video player also allows you to change the theme according to your preferences and lock/unlock the screen with a single click. Overall, 4K ULTRA HD Video Player - AM Player - ALL FORMAT is a great choice for Android phone and tablet users who want a reliable and feature-packed video player.