MP3 Shield Coding

hey everyone,
I have recently purchased a cytron MP3 shield for my arduino but the example code that comes with it doesnt really explain much.
Can anyone help me out with what i am suppose to do and or the code i need. Im a beginner and dont know much about all the coding side of stuff yet.
any help at all would be greatly appreciated.
thanks !

Your MP3 shield: Cytron.io - Simplifying Digital Making
Did you try the library they provide ?