I still haven't been able to replicate the error, but I'll try packaging another build for you; hopefully that helps.
https://drive.google.com/open?id=1kwEBHqnXGm4YPcs7QDvMeEt5jVnBPykB
Here's a link to an alternate android build; if it says the document is lo longer available, tap open in browser, then it should start downloading. Let me know if you experience an issue.