To "put together" or merge MP4 content like this, you can use various tools and methods depending on your device: Recommended Tools for Merging MP4 Files
Go to Media > Open Multiple Files , add your clips, and use the "Convert/Save" arrow to select "Convert" and then "Append" to merge them. Technical Details of MP4 Files Merge MP4 Videos: Combine MP4 Files for Free Online - Adobe g9097.mp4
The file appears to be a generic video file, likely generated by a digital device such as a camera or smartphone. While there is no specific public information regarding the internal content of a file with this exact name, the designation "9097" is frequently associated with hardware like the Polaroid Go Generation 2 camera. To "put together" or merge MP4 content like