Yes. (Note: I gave the playbook as a gift.) She loaded the kindle (android) app to the playbook from a "sideload" program on her computer. She said that, "Not all kindle books work on the app, but she is not sure if the one book that she couldn't get to work was a "android" version problem, or not. That book worked with the Kobo reader when she downloaded that reader onto her playbook.
// Note: the android kindle reader does not support "active" content & we suspect that this was the problem with that one book. //