there needs to be a ways to put together video files so they play one after another. plz fix 
Welcome Jacob.
If you have a list of your video files, you might be able to use the List to schedule sequentially playing. Loop through the List using a counter variable. Start a new video when each video is completed. Stop doing this when you have exhausted the number of items in the video List.
I have not done this, however expect what you want to do could be done using Blocks similar to:
You need to provide a List of your video Files and a way to access them. How you do that depends where the video files (mp4) are stored.
What have you tried so far Jacob? Show what you tried and someone might have more detailed advice.