how do you earn coins playing games other than the scratch n win? And not from the other list of download and play

Pipe Star

I just do scratch off

Charlene McKinney

Thanks for asking.  I was just wondering that myself. 

MyFitbit Account

Scratch-offs are the best. Other than that you usually have to email support so that they can manually credit you the coins. Try to have proof before emailing them. Hope this helps!
~ Jayson