This old beta PB app is being retired and replaced with a spiffy new official release that has been rewritten from scratch.
This old version will no longer be maintained.
To update to the new version, please follow these steps:
1) Install the new app from https://goo.gl/pkTrxQ
2) Uninstall this old app
Don't worry: All of your PB devices will be available to you once again after you update!