Mx.android. -

: Within Google Photos, you can use the Highlight video feature to select up to 50 photos or clips and have them automatically merged into a single video.

If your query refers to a specific "MX" component on Android, it likely relates to one of the following: How To Combine Videos On Android mx.android.

To "put together a post" on an Android device, you typically use your phone's built-in media tools or third-party apps to combine photos and videos into a single file or collage. Ways to Combine Media for a Post : Within Google Photos, you can use the