One person just told me that the login process for Cram.com is not working...
After entering username/password, the app shows an error message "Invalid grant_type parameter or parameter missing". Android will show a somewhat different error message.
I'm getting the same error message.
I'm currently talking with Cram.com to hopefully get this figured out soon.
If anyone else is having this problem, please let me know.
As a workaround, if your sets are public, go to the search screen and search by your username. (Username is shown at the top right corner of the Cram.com website when you are logged in.) As long as your sets are public, they should all show up.
Ernie