The Playphone PlayKids is a special version, it is different then the other version of PlayKids.
If you signed up with Playphone you will be directed to the Playphone version links.
check for an sms msg - go to i already have an account and enter user name
Playkids! Use firstname.lastname@example.org username to login
Visit https://playkids.com/playphone to login and start playing.