Um help plz – Musically App - Lip Sync or Dance on Your Music Video Review

Ok I have tried for ages to change my name at first (the first time I downloaded it) it let me choose my name but when I kept re downloading it....it made it to like ab18583929 And it didn't take me to the Login or sign up page! I PRETTY SURE this isn't the real app )3
Review by Lilylilaclover on Musically App - Lip Sync or Dance on Your Music Video.