this app is good.However: -i subscribe pro that are suppose to support 5 users. How to add another user using same email address? 1 user i use for my daughter.i want to register new user for my son. -or do u want to mention that we can run 5 devices in parallel using same email account? Please advise. I dont know how to contact you for support -instruction sound is too slow and music is louder than the instruction sound