what is mysap FI?

Hi experts,

1.Can i know the difference between SAP FICO and mySAP FI?

2.Both are same or different one? Can i know the informations indetaily?

3.what is the main advantages of mysap FI? where they will use this?

It will be useful to me if anyone clear my doubts.

Thanks in advance.

Regards,

Silviya T